Thru-Wall Bulkhead Fitting

Thru-Wall Bulkhead Fitting-All stainless steel bulkhead fitting. Contains a full coupling, silicone washers, stainless washers, close nipple, and a st

Stainless Steel Thru-wall Bulkhead fitting for installing thermometers in brew kettles. Can also be used as a low profile substitute for bulkheads

Weldless Thru-Wall Fitting - Stainless

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PVC Through-Wall Bulkhead - Socket x Socket - 1-1/2 (50/Cs)

HAYWARD, PVC Body, 2 in Female Threaded Inside Connection, Bulkhead Tank Fitting - 13L954

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Fittings, The Homebrew Company

Duotight Push-In Fitting - 8mm (5/16 in.) Female Bulkhead

Thru-wall compressed air pipe

8mm BULKHEAD / Through-Hull Tank Connector (2-Pack)

Waterway Bulkhead Fitting 212-1837 Swirl Gray

Ipex 1 1/2 PVC SCH80 BULKHEAD UNION SOCxFPT XIRTEC140 036042

Brass through wall connector 14mm 16mm pneumatic hose straight quick fitting PM-14/16 air pipe one touch bulkhead union joint - AliExpress