Kenbar Automatic Vent Opener

SKU:
JAS1A
$43.50
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Ken Bar automatic solar vent opener. Over 36" vent needs 2 per vent.  Can be adjusted to open at between 60°– 70°F. Fully open at 86°F. Works on 30" & smaller aluminum shutters. Lifts up to 33 lbs.  Wax hydraulic piston.