Deflect-O MC4

The Deflect-O 4" Metal Worm Drive Clamp features a heavy-duty adjustable mechanism for a secure fit on round ducts. The clamp tightens with a simple turn of a screwdriver and works with both semi-rigid aluminum and rigid metal ductwork.

• Oversized worm-drive metal clamp for easy installation
• Fits 4" round duct, semi-rigid aluminum or rigid metal
• Adjusts to close 4" diameter down to 3"
• Heavy-duty adjustable mechanism for secure fit
• Tightens with a simple turn of a screwdriver
• 7/16" wide band, .030" thickness
• Size: 4" duct
• Color: Silver