Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB] Brand_Schmitt Marine they also may be used

they also may be used for other general air circulation applications with longer duty cycles

Brackets at the base of each leg tilt to mount on your roof or uneven terrain

Designed for heavy duty use

anodized aluminum arm that's built with uncompromising strength

Complies with ISO 9097 MARINE

Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze Extra Long - Max Hull 5" Thick [0348DP5PLB] Brand_Schmitt Marine they also may be usedExtra Long Thru Hull Connection for Use with Pipe Part #: 0348DP5PLB Flange is machined to fit the hull and grooved to retain bedding compound neck is threaded to approximately 3 8 inch from flange. Material: Cast Bronze Specifications: Hose Size: 3 4" Material: Bronze Box Dimensions: 2"H x 2"W x 6"L WT: 0. 8 lbs UPC: 085226342370