Outdoor Water Solutions® Windmill Maintenance Kit. Keep your windmill aerator in working order!
Maintenance Kit for any Outdoor Water Solutions wind-driven aeration system. For most folks, Kits like this are typically needed every 3 to 5-years depending on use and conditions. Deeper stone placement and / or dusty conditions may cause earlier replacement. Kit contains 1 replacement diaphragm, 2 umbrella valves, 1 red fiber washer and 1 ring. Made in U.S.A.Kit includes: