Hayward ECX10271A Filter Head Screw Set Dynamic Series IV - model

Dynamic Series IV - model DSF pool and spa cartridge filter

This CPVC flange pipe nipple connectors replacement is designed to use with hayward Hayward H-Series ED1 style pool heater

This fits into 2" plumbing

Technology is becoming an industry standard and is featured in all Filbur Brand Pool & Spa filters

Hayward ECX10271A Filter Head Screw Set Dynamic Series IV - modelThis filter head screw set is designed to use with Hayward Perflex extended cycle D. E. filter models EC50A, EC30, EC40, EC75A, I_PFPPTS, EC50C80X5S. Features: Filter head screw replacement set Fits hayward perflex extended cycle d. e. filter models ec50a, ec30, ec40, ec75a, i_pfppts, ec50c80x5s