Balboa Slimline Air Control [1-3/4" HS x 2-1/2" FD] [Black] (10-2310BLACK) miscelectrical making this a focused replacement

making this a focused replacement rather than a generic substitute

since slip

supporting structural integrity and cleaner sealing performance

supporting cleaner filter reassembly during service or rebuild work

more enjoyable spa environment overall

Balboa Slimline Air Control [1-3/4" HS x 2-1/2" FD] [Black] (10-2310BLACK) miscelectrical making this a focused replacementA black slimline air control can give the spa a more dramatic visible accent while restoring the everyday usability of the control point, and this Balboa version is designed for compatible applications using a 1 3 4 inch hole size and 2 1 2 inch face diameter where the original control has become worn or less responsive. When an air control no longer feels easy to use, the whole seat can feel less satisfying than it should. The 1 3 4 inch hole size