Hayward S180T 18" Sand Filter System 1.1 HP Power-Flo Pump YGroup_Catalina a weekly "shock" program is

a weekly "shock" program is recommended

Hayward Perflex D

The heavy grade extruded aluminum top ledges

it eliminates algae growth and reduces your use of chlorine

The outer section can swing up and locked with the included padlock so you can prevent unwanted pool access

Hayward S180T 18" Sand Filter System 1.1 HP Power-Flo Pump YGroup_Catalina a weekly "shock" program isThe Hayward S180T Pro Series sand filter system offers excellent filtration with low maintenance. Hayward sand filters use specially graded sand to help trap particles and debris, providing crystal clear pool water. The filter sand can last 5 10 years between changes giving you a very economical filtration system that is simple to operate.