Praher Union [2" Slip x MPT w/O-Ring] (200-903) miscelectrical and this Balboa VL200 Topside

and this Balboa VL200 Topside is designed for compatible Blower

A replacement filter cartridge helps support water clarity by trapping suspended debris inside a compatible spa or pool filtration system

Because it is built for a no blower configuration

or no longer sealing and fitting the way it should

That helps reduce damage risk and improve service consistency

Praher Union [2" Slip x MPT w/O-Ring] (200-903) miscelectrical and this Balboa VL200 TopsidePraher Union [2" Slip x MPT w O Ring] (200 903) is a replacement union fitting from Praher Plastics designed for compatible pool and spa plumbing applications. Union fittings make equipment service easier by allowing sections of plumbing, valves, or connected components to be disconnected without cutting pipe. When working on pool and spa plumbing, valve, or electrical systems, matching the correct manufacturer part number is important. Use part