Valterra Blue Devil 3-Way DPD # B7223
Blue Devil 3-Way-DPD. Free Chlorine/Bromine, Total Chlorine, 20 Tablets each of #1 & #3 Tablets and pH; Boxed.
Swim CSI stocks a complete line of replacement Valterra Blue Devil 3-Way DPD # B7223 for your pool cleaner accessories.