Advantec Freeman - Freeman Square Hatch With Stainless Steel Ring Combo Electronics They help Sta-Plug™ conform to

They help Sta-Plug™ conform to the hole near the edge where a tight fit is most crucial

sending an initial alert within 15 seconds to all AIS receivers and plotters in the vicinity

Internal bladder

offshore installations and larger yachts

Garden Hose

Advantec Freeman - Freeman Square Hatch With Stainless Steel Ring Combo Electronics They help Sta-Plug™ conform toFreeman Marine hatches are specified and used on a wide variety of yachts, fishing boats, tugs, barges, research vessels, offshore tenders, rescue craft and other workboats. The Freeman deck hatch is designed for new boats, for replacing other deck hatches in standard openings, or for improving existing craft. They can be installed in any deck style or material using stock or custom deck rings. Hatches are ideal for quick acting access into shaft