Filters Set
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 72MM POLARIZED PL + UV + FD CAMERA FILTER KIT SET 72 MM $9.86 Time Remaining: 13d 18h 46m Buy It Now for only: $9.86 |
 MERKURY 52MM HIGH RESOLUTION 3 PIECE FILTER SET UV FLUORESCENT POLARIZER $9.99 Time Remaining: 54m Buy It Now for only: $12.99 |
 Set of 6 Tiffen 72mm filters + wallet $6.45 (3 Bids) Time Remaining: 15h 5m |
 6pcs ND2 ND4 ND8 Gradual ND2 4 8 Filter Set + 9pcs Ring Adapter for Cokin P LF6 $36.99 Time Remaining: 3d 23h 29m Buy It Now for only: $36.99 |
 58mm 23P CLOSE UP FILTER SET LENS KIT FOR CAMERA NIKON D40xi 58MM +FREE GIFT $42.99 Time Remaining: 1h 2m Buy It Now for only: $48.99 |
 58mm 23P +1+2 +4 MACRO CLOSE UP FILTER SET LENS KIT FOR CAMERA NIKON D40 +FREE G $42.99 Time Remaining: 1h Buy It Now for only: $48.99 |
 6pcs Graduated Neutral Density ND Color filter set for Cokin P Series Camera LF3 $18.89 Time Remaining: 1d 23h 27m Buy It Now for only: $18.89 |
 Set of 7 Different Filters 42mm Screw In Except for one that is LuKBiD $0.01 (1 Bid) Time Remaining: 1d 6h 27m |
 23PCs 67mm CAMERA SET5 COLOR LENS FILTER KIT FOR SONY DCR VX1000 NEW+Free gift $71.99 Time Remaining: 1h 36m Buy It Now for only: $79.99 |
 Digital Concepts 67mm UV Polarizer FLD Deluxe Filter kit set of 3 + carrying $10.19 Time Remaining: 14d 15h 17m Buy It Now for only: $10.19 |
 23PCs 58mm CAMERA SET4 COLOR LENS FILTER KIT FOR SONY DCR VX1000 NEW+Free gift $42.99 Time Remaining: 1h 11m Buy It Now for only: $48.99 |
 58mm Polarized PL + UV + FD CAMERA FILTER Kit Set 58 mm $6.54 Time Remaining: 26d 14h 26m Buy It Now for only: $6.54 |
 58mm 23Pc SET5 COLOR CONVERSION FILTER KIT FOR CAMERA Panasonic Lumix NEW+FREE G $42.99 Time Remaining: 1h 6m Buy It Now for only: $48.99 |
 Tiffen 77mm Close up Filter Set with +1 +2 +4 Macro Lenses $35.00 (1 Bid) Time Remaining: 14h 7m |
 Filter Step up rings set 49 52 55 58 62 67 72 77 82mm 8pcs 49mm 82mm lens hood $9.69 Time Remaining: 14d 20h 59m Buy It Now for only: $9.69 |
 23PCs 58mm SET COLOR Filter Lens Kit for Pentax K110D camera lenses NEW+Free gif $42.99 Time Remaining: 1h 10m Buy It Now for only: $48.99 |
 23PCs 62mm CAMERA SET5 COLOR LENS FILTER KIT FOR SONY DCR VX1000 NEW+Free gift $71.99 Time Remaining: 1h 31m Buy It Now for only: $79.99 |
 58mm MACRO CLOSE UP Lens 4 Filter Kit Set +1+2+4+10 NEW $11.90 Time Remaining: 26d 13h 25m Buy It Now for only: $11.90 |
 55mm SET5 28PCs COLOR Filter Lens Kit for Pentax K110D camera lenses +Free gift $42.99 Time Remaining: 1h 48m Buy It Now for only: $48.99 |
 77mm FILTER STACK CAP SET metal filter case 77 NEW $9.99 Time Remaining: 5d 15h 44m Buy It Now for only: $9.99 |
 55mm CAMERA 28PCs SET5 COLOR LENS FILTER KIT FOR SONY DCR VX1000 +Free gift $42.99 Time Remaining: 1h 49m Buy It Now for only: $48.99 |
 58mm 23P POLARIZING ND DIFFUSER FILTER SET LENS FOR NIKON D3000 +FREE GIFT $42.99 Time Remaining: 1h 1m Buy It Now for only: $48.99 |
 For Cokin Filter Set P Series 3pcs ND2 ND4 ND8 + 9pcs Adapter Ring + Holder LF4 $27.99 Time Remaining: 3d 16h 16m Buy It Now for only: $27.99 |
 62mm CAMERA 28PCs SET5 COLOR LENS FILTER KIT FOR SONY DCR VX1000 NEW+Free gift $71.99 Time Remaining: 2h Buy It Now for only: $79.99 |
 62MM 23PCs Close up ND macro filter set lens kit for Fuji FinePix S7000 +free gi $71.99 Time Remaining: 1h 22m Buy It Now for only: $79.99 |
 77 72 67 62 58 55 52 49mm Step Down Rings Lens Adapter Filter Set DC69 $9.59 Time Remaining: 1d 22h 17m Buy It Now for only: $9.59 |
 3 Various 82mm Filter Set Tiffen Hoya Zeikos UV CPL Ploarizer 205580 $4.99 (1 Bid) Time Remaining: 1d 7h 7m |
 7pcs 49 52 55 58 62 67 72 77 mm Step Up Filter Ring Stepping Adapter Set DC38 $9.29 Time Remaining: 6d 6h Buy It Now for only: $9.29 |
 62mm 23P CLOSE UP FILTER SET LENS KIT FOR CAMERA NIKON D40xi +FREE GIFT $71.99 Time Remaining: 1h 27m Buy It Now for only: $79.99 |
 77 mm 77mm Close Up Lens Kit Set +1 +2 +4 Lens NEW $42.97 Time Remaining: 10h 20m |
 6pcs ND2 ND4 ND8 + Gradual ND2 4 8 filter set f cokin p $18.59 Time Remaining: 25d 3h 36m Buy It Now for only: $18.59 |
 HITECH 100 Neutral Density Filters Soft Grad 03 06 09 set Mint No Res $80.57 (5 Bids) Time Remaining: 9h 17m |
 HITECH 100 Series set of BW Filters Mint condition No Reserve $48.97 (6 Bids) Time Remaining: 9h 21m |
 3pcs 52mm ND2 ND4 ND8 ND 2 4 8 Neutral Density Lens Filter Set for Nikon LF60 $8.99 Time Remaining: 13d 19h 47m Buy It Now for only: $8.99 |
 67MM 23PCs Close up ND macro filter set lens kit for Fuji FinePix S7000 +free gi $71.99 Time Remaining: 1h 32m Buy It Now for only: $79.99 |
 NEW 49mm CLOSE UP Filter Lens set +1 +2 +4 +10 MACRO $12.49 Time Remaining: 6d 18h 36m Buy It Now for only: $12.49 |
 ILFORD 6x6 MULTIGRADE FILTERS SET OF 12 KIT ORIGINAL BOX AND CASE $25.99 Time Remaining: 2d 11h 7m |
 New 67mm Close up Set Len Filter+1+2+4+10 for Nikon COOLPIX Canon $23.99 Time Remaining: 1h 29m Buy It Now for only: $29.89 |
 52MM CLOSE UP LENS KIT MACRO FILTER SET +1+2+4+10 ZOOM $8.60 Time Remaining: 16h 4m Buy It Now for only: $8.60 |
 72mm 23PCs FD POLARIZING MACRO FILTER SET LENS KIT FOR FUJI FINEPIX S3000 +free $71.99 Time Remaining: 1h 37m Buy It Now for only: $79.99 |
 New 67mm Close up Set Len Filter+1+2+4+10 for Nikon COOLPIX Canon $23.99 Time Remaining: 1h 30m Buy It Now for only: $29.89 |
 ND Neutral density ND2 ND4 ND8 filter set 58mm for Canon 550D 450D $14.99 Time Remaining: 6h 36m Buy It Now for only: $14.99 |
 72mm 23P POLARIZING ND DIFFUSER FILTER SET LENS FOR NIKON D3000 +FREE GIFT $71.99 Time Remaining: 1h 39m Buy It Now for only: $79.99 |
 49mm to 82mm 9x Metal Ring Adapter set + P Filter Holder for Cokin P series DC21 $15.98 Time Remaining: 5d 21h 48m Buy It Now for only: $15.98 |
 Set of 3 Special Effects FiltersB 50 UV0 Rain Spot Soft 52mm 80A Conversion $10.00 Time Remaining: 3h 21m Buy It Now for only: $12.00 |
 52MM 28PCs Close up ND macro filter set lens kit for Fuji FinePix S7000 +free gi $42.99 Time Remaining: 1h 44m Buy It Now for only: $48.99 |
 67 67mm Neutral Density ND2 ND4 ND8 ND 2 4 8 Filter Set $15.18 Time Remaining: 7d 21h 35m Buy It Now for only: $15.18 |
 Kodak Retina Close up Lens Set with Range Finder $25.00 Time Remaining: 1d 13h 25m |
 62mm 23P +1+2 +4 MACRO CLOSE UP FILTER SET LENS KIT FOR CAMERA NIKON D40 +FREE G $71.99 Time Remaining: 1h 26m Buy It Now for only: $79.99 |
 Sailwind Set Of 4 Soft Filters 3x3 w Extra Holders Diffusers $19.99 Time Remaining: 29d 17h 5m Buy It Now for only: $19.99 |
 58mm 28PCS CLOSE UP FILTER SET LENS KIT FOR CAMERA NIKON D40xi 58MM +FREE GIFT $42.99 Time Remaining: 1h 53m Buy It Now for only: $48.99 |
 58mm CPL UV filter kit set for Canon EOS 500D Rebel T1i $6.54 Time Remaining: 26d 14h 26m Buy It Now for only: $6.54 |
 62mm 23P POLARIZING ND DIFFUSER FILTER SET LENS FOR NIKON D3000 +FREE GIFT $71.99 Time Remaining: 1h 26m Buy It Now for only: $79.99 |
 BOWER 67mm CLOSE UP Filter Lens set +1 +2 +4 ++ MACRO $9.99 Time Remaining: 14h 17m Buy It Now for only: $16.99 |
 Filter Step up rings set 49 52 55 58 62 67 72 77mm 7pcs 49mm 77mm as lens hood $9.25 Time Remaining: 14d 21h Buy It Now for only: $9.25 |
 Tiffen 77mm Close up Filter Set with +1 +2 +4 Macro Lenses $0.99 Time Remaining: 1d 11h 26m Buy It Now for only: $99.99 |
 58mm 28PCs FD POLARIZING MACRO FILTER SET LENS KIT FOR FUJI FINEPIX S3000 +free $42.99 Time Remaining: 1h 51m Buy It Now for only: $48.99 |
 58mm Close up Macro +1+2+4+10 SLR Lens Filter Kit Set $12.99 Time Remaining: 22d 23h 56m Buy It Now for only: $12.99 |
 62mm 28PCs FD POLARIZING MACRO FILTER SET LENS KIT FOR FUJI FINEPIX S3000 +free $71.99 Time Remaining: 1h 57m Buy It Now for only: $79.99 |
 62mm Circular Polarized CPL+UV+FD FILTER Kit 62 Set NEW $18.95 Time Remaining: 21d 2h 28m Buy It Now for only: $18.95 |
 58mm 28P UV DIFFUSER COLOR CAMERA FILTER SET LENS KIT FOR CANON EOS REBEL ALL $65.50 Time Remaining: 20h Buy It Now for only: $79.20 |
 Nikon 28mm Filter SET Cir POL ND 4 ND 8 with case CoolPix era $9.95 Time Remaining: 1d 14h 52m Buy It Now for only: $19.95 |
 Hoya 3 pc Filter Set UV CPol Warm w Case 77mm NEW $39.95 Time Remaining: 14d 10h 23m Buy It Now for only: $39.95 |
 Tiffen 52MM Close Up Lens Set of 3 Lenses Filters +1 +2 +4 in Snap Case $9.00 Time Remaining: 15h 28m |
 Mult E Fect 4200 Mult e filter set Instant Interchangeable Mask System $7.99 Time Remaining: 12h 36m |
 49mm Color Filter Set with Case Red Blue Green Yellow Orange Sepia $34.34 Time Remaining: 28d 3h 40m Buy It Now for only: $34.34 |
 62mm 28P UV ND MACRO COLOR SEPIA FILTER SET LENS KIT FOR CAMERA SONY CANON NIKON $91.10 Time Remaining: 20h 1m Buy It Now for only: $102.10 |
 New 82 ND2 ND4 ND8 CPL GRAD ND 5 Filter Set 82mm $65.00 Time Remaining: 13d 18h 29m Buy It Now for only: $65.00 |
 62mm 28P +1+2 +4 MACRO CLOSE UP FILTER SET LENS KIT FOR CAMERA NIKON D40 +FREE G $71.99 Time Remaining: 1h 58m Buy It Now for only: $79.99 |
 Tele Wide Angle LENS + FILTER SET FOR PANASONIC LUMIX DMC FZ28 FZ38 FZ18 FZ35 $35.00 Time Remaining: 14h 25m Buy It Now for only: $45.00 |
 9 Size Metal Adapter Ring + 6 Filter Set ND2 ND4 ND8 GND 2 4 8 For Cokin P LF6 $36.99 Time Remaining: 8d 16h 17m Buy It Now for only: $36.99 |
 9 Pieces Color Filter Set Red Orange Blue Yellow Green Purple Brown Grey Pink $33.24 Time Remaining: 7h 4m Buy It Now for only: $36.74 |
 52mm Close up Filter Set Lens Kit for CAMERA Nikon 18 55 $23.99 Time Remaining: 1h 28m Buy It Now for only: $28.89 |
 6pcs ND2 ND4 ND8 + Gradual ND2 4 8 filter set f cokin p $18.79 Time Remaining: 26d 19h 55m Buy It Now for only: $18.79 |
 16 in 1 Graduated color filter set Orange Gray Pink Coffee for Canon D SLR 67mm $80.27 Time Remaining: 12h 46m |
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High fiber filter in the application of a factory
Abstract: High fiber filter is a novel filter structure, in my plant temperature, low turbidity, low-gel silicon source water pretreatment and achieved good results: the water turbidity from the 3 ~ 5mg / L down to 1 mg / L the following; rubber silicon by the 0.5 ~ 3 mg / L down to 0.5 mg / L the following; water, boiler water, steam significantly lower silicon content, silicon-boiler system up to 100% passing rate. Guo refinery power plant before
desalted water stations than salt water from the production has been severely degraded, silicon rubber industrial water content 0.80 ~ 3. 50mg / L, between turbidity in 5 ~ 10 mg / L between, resulting in silicon content of the boiler feed water to 80 ~ 100 g / L (standard 30 g / L), reached the highest 150 g / L, silicon vapor reached 80 ~ 100 g / L (standard 20 g / L), especially for water supply temperature of the steam delivered by a catalytic, two catalysts, and other devices on silicon dioxide as high as 90 g / L, a direct threat to the safe operation of heating system and a catalytic, two catalytic and other users of the safety, compliance and steam turbine generating units of the two key equipment In a repair. As the high turbidity caused heavy burden desalination equipment, especially plastic iron, silicon rubber, and organic pollution to the conductivity of salt addition to failure, shortening the life of the resin [1]. I have the original factory for the raw water pretreatment system? sun bed? anion bed, can not meet this low temperature, low turbidity, low water requirements of silicon rubber, a stronger need than in the pretreatment system of silicon rubber, in addition to turbidity measures.
To remove the plastic silicon to reduce turbidity in the end, I use a highly efficient plant fiber filters for preprocessing, the system has since been put into operation, good results, can meet production requirements. The system: low turbidity, low-adhesive silicone water? high efficiency filter? Yang floating bed? In addition to carbon device? intermediate tank? anion bed? desalting water tank? boiler feed water.
1 effective role of fiber filters
1.1 structural characteristics of high fiber filter
High fiber filter is a novel filter structure using vertical fiber bundles to filter hanging in the composition of the porous filter layer board; in the fiber filter settings within the compression chamber through the pressurized water-filled chamber and water to adjust the filter layer fiber density; pressurized water-filled room to run after the filter, pre-filtered water from the device into the bottom, water from the top of the plant leads; pressure chamber water filter after cleaning. Sufficient water pressure through the control room, adjustable filter packing density, and in accordance with effluent quality requirements, can be easily filter operation and cleaning. The lower part of the upper and lower air-distribution system and water distribution baffles, water-filled pressure chamber for the automatic control device as a whole can realize automatic control.
1.2 effective role of fiber filters
1.2.1 filter, filter layer characteristics
High fiber to fiber tow filter for the filter, a number of fiber bundles to a certain density in the filter arranged to form a loose and easy to clean the filter layer, when the pressure chamber into a certain volume of water sufficient to make fiber compaction in some state of the water to be filtered under pressure along the direction of fiber bundles extending flows through, or filtered. Cleaning, the discharge pressure chamber water, fiber bundle was relaxed, the direction of water stretching out along the fibers retain property, even if the regeneration by washing.
1.2.2 filter layer on the filtration performance of state
Interception in capacity: the work of water from the gap into the larger side of filter layer, filter layer from the side of the smaller pore flow, sludge filter layer can penetrate into the depths of rejection by adsorption, the filter can effectively Intercepting layer, and improve sewage interception capacity. Tests show that the interception in high-capacity fiber filter up to 8 ~ 10kg / m2.
Filtration precision: high fiber filter large filter surface area, adsorption capacity; the water side of the filter layer of compacted areas exist, to ensure a large enough density filter media can play a role in water quality protection; cleaning fiber can All in a loose state, can make a very thorough cleaning. These conditions for efficient fiber filters with high filtering precision, the source water through a filter after the very good transparency, turbidity is close to zero.
Because of its use of the soft filler, filter through the pressure chamber at any time adjust the density level to achieve the objective of timely adaptive filtering accuracy.
Filtration resistance: the presence of compacted areas will increase the filtration resistance, but because of the thickness of compacted areas throughout the filter depth only a small part (test that usually accounts for about 20%), the overall porosity of the filtering layer larger filter layer total pressure head loss is not significant; clean and filter head loss is usually laminated 0.02 ~ 0. 03MPa, the indicators can be adjusted by pressure chamber.
Filtration flow rate: a low resistance filter, high filtration precision, so that efficient work flow fiber filter up to 30m / h or more.
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CPR Aquatic's Cyclone Bio-Filters Set-Up Instructions