Forespar SW-3 Sink Drain

Specifications:

• Straight configuration
• 1 1/2" male thread screw
• 2 7/8" flange
• 2" cut-out
• Includes strainer insert

Note: These fittings, like most true marine plumbing fittings, use NPSM threads (National Standard Free-Fitting Straight Mechanical Pipe Thread). NPT (National Pipe Threads) are tapered, NPSM Threads are parallel. The two types are not designed to work together.