Overview Reviews Similar Products Product Description O-ring for Hydroflow valve assembly. Measures 2.5" in diameter. Location: SBR2B30 Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view Waterway Executive Volute O-Ring - 805-0261 $7.95 Add to Cart Quick view Waterway O-Ring #264 For EX2 - 805-0164 $6.95 Add to Cart Quick view Waterway Pump Union 2" Connector O-Ring, Part # 805-0229 $1.95 Add to Cart