Pool Filter Unions

6 products
Astral CTX Pump Union Set 50 & 40mm
$37.99
Astral Filter Full Union RX EC 40mm
$37.99
Astral ZX Filter Union Component Bag
$53.99
Poolrite Filter Half Union with O Ring 40mm
$39.99
Davey Filter Union Crystal Clear 40mm
$48.99
Astral Filter Full Union RX EC 50mm
$48.99
Pool Filter Unions are the sleeve and locking nut that the pipes glue into and screw onto the multiport valve to ensure water flow around the system without any leaks. We commonly recommend the Read more unions are checked every season and the O ring within the unions are greased and tightened