Brand New upgraded 12" Stainless Steel Clamps. Adjustable duct clamps keep all the connections in place. No need any screwdrivers, you can loosen or tighten these clamps easily. Once the duct hose is properly placed, align the clamp over the area that fits around the flange, then tighten snugly. Duct Clamps guarantee a secure fit to your fan and ducting.
Features:
12" hose / worm / duct clamp.
Reusable, super tough and easy to use.
Ideal for 12" diameter ducting or hoses.
More secure and better than duct tape or cheap wire clamps.
Perfect for attaching ducting and fan or filter for air cooling your grow light reflector or grow room.

Improvements:
Stainless steel sheet and stainless steel clip.
No need screwdriver, pull the stainless steel sheet easily to loosen or tighten the clamp.

Pull the sheet astride the clip outward to tighten the clamp.
Pull the sheet astride the clip inward to loosen the clamp.

Specifications:

Qty:

4 pieces (two pairs)

Max. Diameter of Clamp:

12-3/4"(325mm)

Min. Diameter of Clamp:

2-3/4"(60mm)

Sheet Diameter:

3/8" ( 9mm )

Package Content:
4x 12" Stainless Steel Duct Clamps