Skip to content
FREE SHIPPING • Orders over $45+
FREE SHIPPING • Orders over $45+

Empty Cartridges

Durable Empty Cartridges. Used with Cation or DI Resin, GAC and KDF media for Drinking water, whole house, RO Systems, Carwash filtration units, DI RO, Aquariums and many other uses.
Original price $5.00 - Original price $5.00
Original price
$5.00
$5.00 - $5.00
Current price $5.00

Replacement Pads for Flowlok Leak Detector Safety Valve, 2 Pack

FLK-PAD-2

Flowlok leak detector replacement pads. Pack of 2. The Flowlok leak detector automatically shuts off the water when a leak occurs. This Flowlok dev...

View full details
Original price $5.00 - Original price $5.00
Original price
$5.00
$5.00 - $5.00
Current price $5.00
Original price $5.95 - Original price $5.95
Original price
$5.95
$5.95 - $5.95
Current price $5.95

FM-20W White Single Mounting Bracket For 10" & 20" Filter Housings

FM-20W

Heavy-Duty Commercial-Grade Bracket. Fits Hydronix HF2, HF3, & HF5 Commercial Housings. Direct Replacement for Flowmatic (Watts) 4200, 4500 and...

View full details
Original price $5.95 - Original price $5.95
Original price
$5.95
$5.95 - $5.95
Current price $5.95
Original price $9.75 - Original price $9.75
Original price
$9.75
$9.75 - $9.75
Current price $9.75

Hydronix Bracket White, Single

FM-25W

The FM-25W bracket fits housings that use 4.5" OD filters. It is also designed to work with housings with pressure relief buttons such as the HF45 ...

View full details
Original price $9.75 - Original price $9.75
Original price
$9.75
$9.75 - $9.75
Current price $9.75
Original price $7.23 - Original price $7.23
Original price
$7.23
$7.23 - $7.23
Current price $7.23

Hydronix Clear Empty Standard Size Water Filter Cartridge Pre/Post Use 2.5 x 10

EC-2510C

Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...

View full details
Original price $7.23 - Original price $7.23
Original price
$7.23
$7.23 - $7.23
Current price $7.23
Original price $129.95 - Original price $129.95
Original price
$129.95
$129.95 - $129.95
Current price $129.95

Triple Housing Stand Bracket For Whole House or Hydroponics Filtration Systems

FM-45-3STND

This stand bracket fits three 10" or 20" housings. Used with Pentek Big Blue, Hydronix, or similar housings that use 4.5" diameter Filters. Compati...

View full details
Original price $129.95 - Original price $129.95
Original price
$129.95
$129.95 - $129.95
Current price $129.95
Original price $1.10 - Original price $1.10
Original price
$1.10
$1.10 - $1.10
Current price $1.10

Replacement Gasket for EC Empty Reusable Filter Shells

EC-GASKET

Replacement gasket for the Hydronix EC empty filter shells. This replacement Gasket is made to be used with the EC Series empty filter reusable she...

View full details
Original price $1.10 - Original price $1.10
Original price
$1.10
$1.10 - $1.10
Current price $1.10
Original price $5.29 - Original price $5.29
Original price
$5.29
$5.29 - $5.29
Current price $5.29

FM-10W White Single Mounting Bracket For 10" & 20" Slim Line Housings

FM-10W

Light-Duty Bracket. Fits Hydronix HF2, HF3 Slim Line Housings. Fits All 10" and 20" Slim Line housings from Flowmatic, Pentek, Watts, Liquatec, Hyd...

View full details
Original price $5.29 - Original price $5.29
Original price
$5.29
$5.29 - $5.29
Current price $5.29
Original price $12.93 - Original price $12.93
Original price
$12.93
$12.93 - $12.93
Current price $12.93

Hydronix EC-4510W White Empty Water Filter Cartridge Durable Construction For Pre Post, Fits Standard Housings 4.5 x 10

EC-4510W

Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...

View full details
Original price $12.93 - Original price $12.93
Original price
$12.93
$12.93 - $12.93
Current price $12.93
Original price $3.00 - Original price $3.00
Original price
$3.00
$3.00 - $3.00
Current price $3.00

Replacement Pad for 4.5" Empty Filter Cartridges

UDF-45PAD

Filter cartridge pad for 4.5" cartridges.This pad is made from polypropylene and is used to separate filtration media in an empty refillable water ...

View full details
Original price $3.00 - Original price $3.00
Original price
$3.00
$3.00 - $3.00
Current price $3.00
Original price $23.95 - Original price $23.95
Original price
$23.95
$23.95 - $23.95
Current price $23.95

Hydronix EC-4520W White Empty Water Filter Cartridge Durable Construction For Pre Post, Fits Standard Housings 4.5 x 20

EC-4520W

Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...

View full details
Original price $23.95 - Original price $23.95
Original price
$23.95
$23.95 - $23.95
Current price $23.95
Original price $10.01 - Original price $10.01
Original price
$10.01
$10.01 - $10.01
Current price $10.01

White Empty Water Filter Cartridge For Pre or Post Use Durable 2.5" x 20"

EC-2520W

Hydronix Empty Cartridges can be used with carbon, resin, KDF or any other media. Made from High Impact Polystyrene to withstand continuous usage a...

View full details
Original price $10.01 - Original price $10.01
Original price
$10.01
$10.01 - $10.01
Current price $10.01
Original price $6.99 - Original price $6.99
Original price
$6.99
$6.99 - $6.99
Current price $6.99

Hydronix White Empty Standard Size Water Filter Cartridge Pre/Post Use 2.5 x 10

EC-2510W

Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...

View full details
Original price $6.99 - Original price $6.99
Original price
$6.99
$6.99 - $6.99
Current price $6.99