Waterway 1" Notched Air Control [1 5 8" HS, 2 3 4" FD] [White] (660 3570) ametek The 23432 999 999 is a practical The 23432 999 999 is a practical service tool for compatible Typhoon 300 jet systems that need dependable nut handling during maintenance A skimmer basket is useful because it captures leaves and floating debris before they move into the circulation system replacing it with the proper Waterway part can improve both daily usability and the finished appearance of the spa surface The Waterway 660 3570 notched air control is designed for compatible spa systems that use a 1 inch air control assembly with a 1 5 8 inch hole size and a 2 3 4 inch face diameter