Crystal Water 425 Square Foot Cartridge Filter - 2-1/2 Inch filtration-area_600-699 This is a Zodiac W13064

This is a Zodiac W13064 O-Ring for Nature2 Professional G Plus Mineral Chamber Cap

Used on filters manufactured after October 2004

deep penetrating cleaner

The 5-Tread/6-Riser steps are for 48 to 60 inches of water (measuring from where the bottom of the stair will be placed)

white molded frame with reinforced aluminum

Crystal Water 425 Square Foot Cartridge Filter - 2-1/2 Inch filtration-area_600-699 This is a Zodiac W13064This Waterway Crystal Water Cartridge Filter is 425 square feet with 2 1 2 connections to maximize flow. Max residential flow for this model is 150 GPM. The 2 1 2 inch internals may be reduced for 2 or 1 1 2 inch piping. The Crystal Water Cartridge filters are the only filters on the market with 2 1 2 inch internal piping which improves flow and reduces system noise when using 2 1 2, 2 or 1 1 2 inch plumbing. The Crystal Water Cartridge Filters have a