Trident Marine 3" x 50 Blue Polyduct Blower Hose [481-3000] Brand_YakGear While battery isolators are conventional

While battery isolators are conventional diode splitters

Dual Battery Selector Switch - Cup Mount

Includes manual crank handle

tinned copper conductors

Black aluminum bezel

Trident Marine 3" x 50 Blue Polyduct Blower Hose [481-3000] Brand_YakGear While battery isolators are conventional3" x 50' Blue Polyduct Blower Hose Trident Polyduct is the most flexible, crush proof and rugged blower duct hose for heat, ventilation, and air conditioning* (HVAC). Heavy Duty polypropylene hose, reinforced with a flexible polypropylene rod helix. Features: Excellent flexibility & compressibility Excellent resistance to crushing, flex fatigue, tearing, and moisture Stomp on it and it returns to shape without damage Shove it thru tight openings and