Crystal Water 36 Square Foot DE Filter - 2-1/2 Inch size-in-gallons_51-100 This is a Jandy Zodiac

This is a Jandy Zodiac DEV48 Filter Grid Element Partial Grid

or ozone in preparation for a Total Alkalinity Test

American O-ring 391016

and are not compatible with this part

Crystal Water 36 Square Foot DE Filter - 2-1/2 Inch size-in-gallons_51-100 This is a Jandy ZodiacThis Waterway Crystal Water D. E. Filter is 36 square feet with 2 1 2 connections to maximize flow. Max residential flow for this model is 90 GPM. The 2 1 2 inch internals may be reduced to 2 or 1 1 2 inch piping. The Crystal Water DE filters are the only filters on the market with 2 1 2 inch internal piping, which improves flow and reduces system noise when used with 2 1 2 , 2 , or 1 1 2 inch plumbing. The Crystal Water Filters have a body made of