This o-ring fits inside the standard 10” filter housing.
It is recommended that a water based lubricant is applied to the o’rings every time you change the cartridges. They should be changed every 2 – 3 years or when they start to flatten out or lose shape.
N.B. O-ring is sold individually not in pairs
Dimensions: 90 mm L x 90 mm W x 4 mm H