Shield 16-250-3000-48 Shields Marine Shieldsflex Water Exhaust Series 250 Hose, w/ Wire, 3" x 4' seachoice-tapping-machine-screw-kit-piece but they can be fine

but they can be fine tuned to each boat and to the boaters preference

Vessel Range: 40 ft when tracked via mobile app alone (Up to 50ft when tracked via OLAS N2K

2m Type-A male to Type-A female extension cable

Dimensions (millimeter): 92mm x 84mm x 38mm

Shield 16-250-3000-48 Shields Marine Shieldsflex Water Exhaust Series 250 Hose, w/ Wire, 3" x 4' seachoice-tapping-machine-screw-kit-piece but they can be fineUse for engine intake and wet exhaust connections where bends or long lengths are required. Also good for bilge pump intake discharge, scupper lines, toilet intake discharge, and holding tank vent and pump out. Black synthetic rubber tube and cover, reinforced with wire helix imbedded between plies of HD synthetic cord. Resistant to: exhaust fumes, ozone, mild chemicals, antifreeze, salt water, abrasion and odor permeation. Temperature range: 20 F to