PentairAquatic Systems U178920PZ Drain Plug DJ 0.25 in. Fine Thread with O-Ring Starite Dura Jet

PENTAIR ¼ NPT Drain Plug with O-Ring ( U178920PZ) (DUP) - Black - 1 - 1

2 Pack,Drain Plugs w/O-Rings, for WhisperFlo-IntelliFlo Part # 071131-192115

4oz LubeTube – Pool O-Ring Lubricant (Made in USA) (2 Pack)