How to choose the correct end caps for your housing

Use this guide to find the end caps that will fit your housing. The code to use when ordering your filter is shown in the list below. Please reference our individual product data sheets to find detailed ordering information.

CODE 7 (226 O-RING)

The Code 7 (226 O-ring) design has two locking tabs and twists and locks into place. Code 7 cartridges have a fin on the opposite end.

Code 7 Gaskets
Code 7 Cap

CODE 8 (222 O-RING)

The Code 8 (222 O-ring) design has no locking tabs. Code 8 cartridges have a fin on the opposite end.

Code 8 Gaskets
Code 8 Cap

CODE 3 (222 O-RING)

The Code 3 (222 O-ring) design has no locking tabs. Code 3 cartridges have a flat cap at the opposite end of the cartridge.

Code 3 Gaskets
Code 3 Cap