Winter Shutter Cover Size:52" Deadbolt (Thumb Turn Inside): Four

Deadbolt (Thumb Turn Inside): Four way adjustable

This system constantly monitors your operation and quickly notifies you upon the detection of common site problems or failures

The handle is designed to prevent flattening when the door swings back against the building

Roll-Down Calf Pipe: Vent in warm weather or tuck in pants with ease

Armatrex provides up to 90 days of protection when used in conjunction with proper cleaning and disinfectant protocols

Winter Shutter Cover Size:52" Deadbolt (Thumb Turn Inside): FourProtect your fans and inlets in the winter months with the Winter Shutter Cover. Designed for convenient access and removal, the cover is made with an extra 6 on all sides and includes a heavy duty u shaped nylon zipper closure. Made with 5. 6 oz. black and white poly fabric. These insulated panels allow the grower to cover fans not used during periods of minimum ventilation. The center section can be opened with an easy zipper design. Custom sizes