Cast bronze. Complete with flange nut for installation. Ribbed hose adapter holds hose securely allowing for double clamping. Two inch thread length under flange.

3/4" Hose adapter Flange Thru-Hull                               LOA under flange = 4"
Stem length = 2.0"

1" Hose adapter Flange Thru-Hull                                    LOA under flange = 4"
Stem length = 2.250

1 1/2" Hose adapter Flange Thru-Hull                              LOA under flange = 4 1/2"
Stem length = 2.250