Forespar Full Flow Seacocks MF 849 3/4" MF-849 Laser both of which require only

both of which require only a single circular hole to be drilled

excellent breathing properties

Aluminum Cam-Matics are hardcoat-anodized for high-load

2 different actuator styles available

Optional Ocean Signal AIS MOB1 available to purchase as a stand-alone unit or supplied fitted integrated within a Deckvest

Forespar Full Flow Seacocks MF 849 3/4" MF-849 Laser both of which require onlyMF 849 Marelon Full Flow Seacocks These Seacocks are designed for thru hull applications and are typically characterized by a mounting flange which helps distribute the side load when the handle is turned. The MF 849 Flanged Seacock Series has NPS straight (aka parallel) threads at each end, and is designed to be fitted with straight thread thru hull fittings and straight thread tail pieces. Straight threads are not "self sealing". You must use pipe