Greenhouse Power Shutter No Cord, Automatic, 36" x 36" Aluminum Single Panel Sigma 250 engineered to withstand the tests

engineered to withstand the tests of time and nature

Rough Opening 12½" x 12½" Cord Included with 3-prong plug Material Aluminum shutters and prop

Fluid Movement: Equipped with nylon bearings and solid shafts for smooth

high-tension springs automatically return the louvers to a secure

Greenhouse Power Shutter No Cord, Automatic, 36" x 36" Aluminum Single Panel Sigma 250 engineered to withstand the testsRefine your greenhouses atmospheric control with these high capacity power shutters. Meticulously engineered to facilitate maximized air movement, these units ensure your plants thrive by providing consistent fresh air intake or exhaust. The double panel configuration is housed in a heavy duty extruded aluminum frame, featuring corners that are precision milled and welded for exceptional structural integrity. To protect your internal growing