Gecko Alliance | PUMP UNION | 1-1/2" FEMALE BUTTRESS THREAD X 2" MALE BUTTRESS THREAD ADAPTER | 50100120

Gecko Alliance | PUMP UNION |  2" MALE BUTTRESS THREAD X 1-1/2" FEMALE BUTTRESS THREAD (SET OF 2) | 52202100

Waterway | PUMP UNION | ADAPTER 1-1/2" MVT X 1-1/2" FEMALE BUTTRESS THREAD | 400-4080 Hayward to Aqua-flo Br

Waterway | PUMP UNION | 1" FEMALE BUTTRESS THREAD WITH 1" SLIP TAILPIECE/Oring | 400-1990   Brand name : Waterway

Magic Plastics | SPLIT NUT | 2" FEMALE BUTTRESS THREAD WITH SCREWS FOR PUMP UNION | 0121109020 Brand name : Magic Plastics

Magic Plastics | SPLIT NUT | 1-1/2" FEMALE BUTTRESS THREAD WITH SCREWS FOR PUMP UNION | 0121109015 Brand name : Magic Plastics