O RINGS

There are many different brands of water filter housings and just because they may look the same, they are often NOT interchangeable.

Locate the water filter housing that matches the filter housing that you have by appearance and description, then you can have your O rings in just a few days and at the best price.

Make sure to identify your water filter housing by color, diameter, and brand to ensure that you purchase the correct O rings for your particular filter housing.

Common Water Filter Housing Brands:

APEC, Aquaboon, Aqua Plumb, Culligan, Doulton, DuPont, EcoPure, GE, Geekpure, Hydronix, ifilters, ispring, Omnifilter, Pentair, Pentek, SimPure, Watts.

Common Water Filter Housing Colors:

Blue, White, Clear, Clear Blue.

Common Water Filter Housing Diameters:

2.5″ (Uses 2.5″ diameter by 10″ and 20″ filter cartridges), 4.5″ (Uses 4.5″ diameter by 10″ and 20″ filter cartridges.

Common Water Filter Housing O Ring Shapes: Round, Square.

Brand	House Filter O rings*	Cartridge Lengths**	Housing Colors	Reverse Osmosis O rings
APEC	3.5″ / 5.5″	10″ / 20″	White(RO)/Blue	3.5″
Aquaboon	3.5″ / 5.5″	10″ / 20″	White(RO)/Blue	3.5″
Aqua Plumb	3.5″	10″	Clear	N/A
Culligan	3.5″	10″ / 20″	Clear/White/Blue	N/A
Doulton	5.5″	10″	Blue	N/A
DuPont	3.5″ / 5.5″	10″	Clear/White/Blue	N/A
EcoPure	3.5″ / 5.5″	10″	Clear/White	N/A
GE	3.5″ / 5.5″	10″	White/Blue	3.5″
Geekpure	3.5″ / 5.5″	10″ / 20″	Blue	N/A
Hydronix	3.5″ / 5.5″	10″ / 20″	Clear/Blue	N/A
ifilters	3.5″ / 5.5″	10″ / 20″	Clear/Blue	N/A
ispring	3.5″ / 5.5″	10″ / 20″	White/Clear(RO)/Blue	3.5″
Omnifilter	3.5″ / 5.5″	10″ / 20″	White/Clear/Blue	N/A
Pentair	3.5″ / 5.5″	10″ / 20″	White(RO)/Blue	3.5″
Pentek	3.5″ / 5.5″	10″ / 20″	White(RO)/Blue	3.5″
SimPure	3.5″ / 5.5″	10″ / 20″	White/Blue	N/A
Watts	3.5″ / 5.5″	10″ / 20″	White(RO)/Blue	3.5″