ProGrid DE7220 Filter Grid Element 72 Square Feet - 36 Inches Partial Grid state_Nebraska This is a standard vinyl

This is a standard vinyl water tube made with 16 gauge vinyl and has a single chamber

and environmental health specialists

Simply empty the water from the bases

It is also immune to power or computer outages

Seal is neoprene

ProGrid DE7220 Filter Grid Element 72 Square Feet - 36 Inches Partial Grid state_Nebraska This is a standard vinylThis is a Hayward Replacement Short Filter Grid Element for Pro Grid Vertical Grid DE Series DE7220 Filters. These grids are injection molded from 100% virgin, high impact styrene then covered with multi filament polypropylene fabric. Each grid has been engineered with subtle design improvements specifically for this model and manufacturer.