Login       My Wishlist
  My Cart
$0.00 / 0 items
 
Knock Knock
Your Lawn Only Better
 
International Access
Global Shipping Options Available
  Our Catalog   Pools, Hot Tubs & Supplies   Filters & Filter Media

Filters & Filter Media - 108 - Extreame Savings! Save up to 46%


Extreame Savings! Up to 46% off on Filters & Filter Media at Knock Knock. Top brands include Pleatco, NDS, Guardian Filtration Products, MTD, NAKSHOP, & Skroutz. Hurry! Limited time offers. Offers valid only while supplies last.



Pleatco PGF5 Replacement Cartridge for General Foam 5, 1 Cartridge
Pleatco PGF5 Replacement Cartridge for General Foam 5, 1 Cartridge
By Pleatco
In Stock
$11.47
$9.99
You Save: 13%

mpn: PGF5 SPG, ean: 0090164000053,

4.3 out of 5 stars with 19 reviews
Not just a Filter Cartridge. Pleatco is a complete Filtration System! Pleatco Free Flow Cores, REEMAY Filtration Fabric, Antimicrobial Endcaps and Superbond Bands make the Pleatco product compass to differentiate the key components of why Pleatco Fil...


NDS 12x17x6 Valve Extension by NDS
NDS 12x17x6 Valve Extension by NDS
By NDS
In Stock
$55.75

mpn: NA, ean: 0692630049933,

NDS 1889 Offset Universal Outlet, 8 x 2 Inch, For Use With 8 Inch Sewer and Drain Pipe, BlackNDS 12x17x6 Valve Extension. 1. ...


Pleatco PA106 106 Sq Ft Hayward SwimClear C-4025 Pool Filter Cartridge (2 Pack)
Pleatco PA106 106 Sq Ft Hayward SwimClear C-4025 Pool Filter Cartridge (2 Pack)
By Pleatco
In Stock
$79.09

mpn: 2 x PA106, ean: 0842372151740,

If your old filter cartridge for your Hayward SwimClear C 4025 filter system is ready to meet the trashcan, be sure to replace it with the Pleatco PA106 Filter Cartridge. Reduced pore size distribution in the fabric provides the best flow you can get...


Pleatco PWW50P3 Pool Filter Cartridge for Waterway Front Access Skimmer (3 Pack)
Pleatco PWW50P3 Pool Filter Cartridge for Waterway Front Access Skimmer (3 Pack)
By Pleatco
In Stock
$69.19

mpn: 3 x PWW50P3, ean: 0842372153089,

If your old filter cartridge for your Waterway front access skimmer is ready to meet the trashcan, be sure to replace it with the Pleatco PWW50P3 Filter Cartridge. Reduced pore size distribution in the fabric provides the best flow you can get for yo...


Guardian Pool Spa Filter Replaces Pleatco PWWDFX100 Unicel: C-6310 Waterway 817-0019 Cartridge
Guardian Pool Spa Filter Replaces Pleatco PWWDFX100 Unicel: C-6310 Waterway 817-0019 Cartridge
By Guardian Filtration Products
In Stock
$40.00

ean: 0712038596539,

Guardian 617-221 Replaces Pleatco: PWWDFX100 Unicel: C-6310 Diameter: 6 9/16" Length: 17 13/16" Top: Open Hole: 2 3/8" Bottom: Open Hole: 2 3/8" Filter Area: 100 sq ft Filter Material: REEMAY (3 oz/yard) Alternate Filter Names: 817-0019 XL skim filte...


GAURDIAN FILTER FITS- PLEATCO PDM18P-4, PDM25P4 DREAM MAKER GATSBY SPA unicel 4CH-21, HOT TUB CARTRIDGE,filbur FC-0121, FC-0136 ANTIMICROBIAL MICROBAN PROTECTION AGAINST BACTERIA GROWTH
GAURDIAN FILTER FITS- PLEATCO PDM18P-4, PDM25P4 DREAM MAKER GATSBY SPA unicel 4CH-21, HOT TUB CARTRIDGE,filbur FC-0121, FC-0136 ANTIMICROBIAL MICROBAN PROTECTION AGAINST BACTERIA GROWTH
By Guardian Filtration Products
In Stock
$20.99
$19.99
You Save: 5%

mpn: 4H8-158-M, ean: 0646437103442,

4.8 out of 5 stars with 53 reviews
Guardian Filtration Products 4H8-158M • New in factory packaging • Pleatco: PDM25P4, PTL18P4-4 | Unicel: 4CH-21 | Filbur: FC-0136, FC-0121 • Diameter: 4-5/8'', Length: 8'', Top: Handle, Bottom: 1 1/2'' MPT Threaded • Filter Area: 18 sq. ft. ...


Guardian Pool Spa Filter Replaces PA50SV,Unicel C-7447, FC-1235, Hayward Swimclear C2025, Swimquip, Sta-rite
Guardian Pool Spa Filter Replaces PA50SV,Unicel C-7447, FC-1235, Hayward Swimclear C2025, Swimquip, Sta-rite
By Guardian Filtration Products
In Stock
$26.00

mpn: 714-152, ean: 0646437102827,

Guardian Filtration Products 714-140 • New in factory packaging Replaces Pleatco PA50SV | Unicel C-7447 | Filbur FC-1235 Diameter: 7" • Length: 14 3/16" • Top: Open Hole 3" • Bottom: Open Hole 3" Filter Area: 50 sq ft • Filter Material: Ree...


Pleatco Advanced LA Aber Spa Hot Tub Filter Cartridge (2 Pack)
Pleatco Advanced LA Aber Spa Hot Tub Filter Cartridge (2 Pack)
By Pleatco
In Stock
$51.49

mpn: 94067, ean: 0842372155823,

If your old filter cartridge for your Advanced or LA spa is ready to meet the trashcan, be sure to replace it with the Pleatco PTL47W P4 Filter Cartridge. Reduced pore size distribution in the fabric provides the best flow you can get for your pool a...


Pleatco PCS50N Replacement Pool Filter Cartridge for Coleman Spas 50 (2 Pack)
Pleatco PCS50N Replacement Pool Filter Cartridge for Coleman Spas 50 (2 Pack)
By Pleatco
In Stock
$69.99

mpn: 90632, ean: 0842372152914,

If you're old filter cartridge for your Coleman Spas 50 filter system is ready to meet the trashcan, be sure to replace it with the Pleatco PCS50N Filter Cartridge. Reduced pore size distribution in the fabric provides the best flow you can get for y...


Guardian Pool Spa Filter Cartridge - Replaces Unciel 4ch-30 Pleatco PTL25H-P-4, Filbur FC-0141 - Whirlpool, Saratoga, Sweetwater
Guardian Pool Spa Filter Cartridge - Replaces Unciel 4ch-30 Pleatco PTL25H-P-4, Filbur FC-0141 - Whirlpool, Saratoga, Sweetwater
By Guardian Filtration Products
In Stock
$19.99

mpn: 4H11-158, ean: 0646437103022,

Guardian Filtration Products 4H9-158 New in factory packaging Replaces: Pleatco PTL25P4-4 | Unicel 4CH-30 | Filbur FC-0141 Diameter 4-3/4'' Length 11-7/8'' Top Handle Bottom 1-1/2'' MPT Threaded Filter Area: 25 sq ft Filter Material: Reemay (3 o...


Guardian Spa Filter Replaces Pleatco PSG25P4, Unicel 4CH-20, Filbur FC-0185, Saratoga
Guardian Spa Filter Replaces Pleatco PSG25P4, Unicel 4CH-20, Filbur FC-0185, Saratoga
By Guardian Filtration Products
In Stock
$19.00

mpn: 4H6-204, ean: 0646437102971,

Guardian Filtration Products 4H6-204 • New in factory packaging Replaces Pleatco: PSG25P4 | Unicel: 4CH-20 | Filbur: FC-0185 Diameter: 4-3/4'' • Length: 6-1/2'' • Top: Handle • Bottom: 1-1/2'' MPT Threaded Filter Area: 25 sq ft • Filter Mat...


MTD Replacement Speed Spool Cartridge 0.095”
By MTD
In Stock
$14.59

mpn: 49U4218P953, ean: 0084931826816,

Replacement speed spool cartridge, .095. Fits Troy-Bilt, Remington, MTD, Bolens, Yard Machines, Yard Man.Trimmer speed spool cartridge .095". Fits Troy-Bilt, Remington, MTD, Bolens, Yard Machines, Yard Man. Constructed with durable components. ...


Above Ground Pool Filter System Cartridge Swimming Pool Filter Pump Clear Easy Set Pump Inflatable Swimming Pool Outdoor For Family Garden Backyard Housing Best And eBook By NAKSHOP
Above Ground Pool Filter System Cartridge Swimming Pool Filter Pump Clear Easy Set Pump Inflatable Swimming Pool Outdoor For Family Garden Backyard Housing Best And eBook By NAKSHOP
By NAKSHOP
In Stock
$77.86

ean: 0787893854766,

Product Description Color: Multicolor Use With Α Μaximum Ρool size Οf 6,423 Gallons System Flow Rate Οf 750 GPH Αnd Α pump Flow Rate Οf 1,000 GPH Hydro Aeration Technology Easy To Set he eBook Belong To NAKSHOP And Is Register To Copyrighted ...


2 pak-filter FITS- PLEATCO PDM18P-4, PDM25P4 DREAM MAKER GATSBY SPA unicel 4CH-21, HOT TUB CARTRIDGE,filbur FC-0121, FC-0136 ANTIMICROBIAL MICROBAN PROTECTION AGAINST BACTERIA GROWTH
2 pak-filter FITS- PLEATCO PDM18P-4, PDM25P4 DREAM MAKER GATSBY SPA unicel 4CH-21, HOT TUB CARTRIDGE,filbur FC-0121, FC-0136 ANTIMICROBIAL MICROBAN PROTECTION AGAINST BACTERIA GROWTH
By Guardian Filtration Products
In Stock
$69.99
$37.99
You Save: 46%

mpn: H08-158MB, ean: 0045635691988,

4.6 out of 5 stars with 38 reviews
Guardian Filtration Products 4H8-158-02M • New in factory packaging • Replaces Pleatco PDM25P-4, PTL18P4-4 | Unicel 4CH-21 | Filbur FC-0136, FC-0121 • Diameter: 4-5/8',' Length: 8'', Top: Handle, Bottom: 1-1/2'' MPT Threaded • Filter Area: 20...


Pleatco PPM50SC-F2M Pacific Marquis Spas Hot Tub Spa Filter Cartridge (2 Pack)
Pleatco PPM50SC-F2M Pacific Marquis Spas Hot Tub Spa Filter Cartridge (2 Pack)
By Pleatco
In Stock
$56.69

mpn: 91383, ean: 0842372153966,

If your old filter cartridge for your Pacific Marquis spa is ready to meet the trashcan, be sure to replace it with the Pleatco PPM50SC F2M Filter Cartridge. Reduced pore size distribution in the fabric provides the best flow you can get for your poo...


Outdoor Spa Pool Floats Filter Tank D.E. Filters Machined Metal Nut Water Swimming Pools Durable Garden Backyard FNS Quad - Skroutz
Outdoor Spa Pool Floats Filter Tank D.E. Filters Machined Metal Nut Water Swimming Pools Durable Garden Backyard FNS Quad - Skroutz
By Skroutz
In Stock
$35.95

ean: 7426826498716,

This nut is designed to use with FNS pool and spa D.E. filters and also compatible with Quad pool and spa D.E. filters. New Replacement Machined Filter Nut Nut replacement, 1/4" Fits Pentair FNS pool and spa D.E. filters Also fits Quad pool and spa D...


Pleatco PJ25 Replacement Pool Filter Cartridge for Jacuzzi CFR/CFT 25 (2 Pack)
Pleatco PJ25 Replacement Pool Filter Cartridge for Jacuzzi CFR/CFT 25 (2 Pack)
By Pleatco
In Stock
$34.99

mpn: 90859, ean: 0842372153294,

If your old filter cartridge for your Jacuzzi CFR/CFT 25 filter system is ready to meet the trashcan, be sure to replace it with the Pleatco PJ25 IN 4 Filter Cartridge. Reduced pore size distribution in the fabric provides the best flow you can get f...


Pleatco PWW150-4 Replacement Cartridge for Waterway Pool 150, Leisure Bay WW-150, 1 Cartridge
Pleatco PWW150-4 Replacement Cartridge for Waterway Pool 150, Leisure Bay WW-150, 1 Cartridge
By Pleatco
In Stock
$86.03
$77.99
You Save: 9%

mpn: PWW150-4, ean: 0090164101064,

4.0 out of 5 stars with 42 reviews
Not just a Filter Cartridge. Pleatco is a complete Filtration System! Pleatco Free Flow Cores, REEMAY Filtration Fabric, Antimicrobial Endcaps and Superbond Bands make the Pleatco product compass to differentiate the key components of why Pleatco Fil...


Guardian Antimicrobial Pool Spa Filter - Replaces Unicel 4CH-949 Filbur FC-0172 Pleatco PWW50L - Waterway Dynasty Rising Dragon
Guardian Antimicrobial Pool Spa Filter - Replaces Unicel 4CH-949 Filbur FC-0172 Pleatco PWW50L - Waterway Dynasty Rising Dragon
By Guardian Filtration Products
In Stock
$28.99
$27.99
You Save: 3%

mpn: 4H9-210M, ean: 0712038596669,

4.7 out of 5 stars with 57 reviews
Guardian Filtration Products 4H9-210M, New in factory packaging Replaces: Pleatco PWW50L | Unicel 4CH-949 | Filbur FC-0172 Diameter: 5", Length: 13-1/16", Top: Handle, Bottom: 1-1/2" Female SAE Threaded  Filter Area: 50 sq. ft., Filter Material: R...


Guardian Spa Filter Replaces Pleatco PJ50-4, Unicel C-9650, Filbur FC-1460 Jacuzzi, Atlantic Pool Products, Cantar, Cft-50,Cfr-50
Guardian Spa Filter Replaces Pleatco PJ50-4, Unicel C-9650, Filbur FC-1460 Jacuzzi, Atlantic Pool Products, Cantar, Cft-50,Cfr-50
By Guardian Filtration Products
In Stock
$34.99

mpn: 910-194, ean: 0646437103466,

Guardian Filtration Products 910-194 New in factory packaging Replaces Pleatco: PJ50-4, Unicel: C-9650, Filbur: FC-1460 Dimensions: Diameter 10", Length 10", Top Open Hole 5 15/16", Bottom Open Hole 6" Filter Area: 50 sq. ft. Filter Material: Reema...



Viewing Page 1 of 3

View more products in Pools, Hot Tubs & Supplies.
Feel free to Browse Our Catalog.



Privacy Policy / Terms of Service
© 2018 - knockknock.co. All Rights Reserved.