Vertical Sand Filter 63 Inch Standard Series With 4 Inch Connections - 21.64 Square Feet reagent-size_10 grams The standard pH control level

The standard pH control level is 7

This is a Double Winter Pool Plug Type 97L

219 Steel Primer)

This pool depth marker states 12 FT and is printed with 4 Inch letters and has an overall size of 9 Inch x 6 Inch

The lettering is 4 inches and 1

Vertical Sand Filter 63 Inch Standard Series With 4 Inch Connections - 21.64 Square Feet reagent-size_10 grams The standard pH control levelThis Astral Vertical Sand Filter 63 Inch Standard Series has 4 inch connections, a filter area of 21. 64 square feet, and features a non corrosive fiberglass and polyester resin filter tank with six reinforced layers of laminated and filament winding. These vertical commercial sand filters hold an NSF listing for a maximum working pressure of 50 psi and a test pressure of 75 psi. Each vertical sand filter includes manual air purge valve, gauge panel,