Forespar® Deck Fills are molded in Marelon® for lifetime durability. The waste deck fill has a black flange and a black threaded cap.
- Large 4" diameter flange easily covers old mounting holes
- Color-coded black for easy identification of waste fill
- Easy-open cap
- Safe and efficient seal
- Nylon retainer cord
- Rubber O-ring
- Deck flange: 4" (101.60mm) diameter
- Hose ID: Suitable for 1-1/2" (38.10mm) ID hose
- Cutout: 2-1/8" (53.97mm)
- Hose barb length: 3" (76.20mm)
Note: Forespar threaded plumbing 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.