Pack of 4 Ductsure Door Relief Vent Grille Aluminium DG-A 636631 2 Piece 304 Stainless Steel 155-178mm Worm Drive Hose Clamp NPS Pipe Thread (Straight) –

NPS Pipe Thread (Straight) – Used for parallel-threaded assemblies requiring precise mechanical fits

Includes an embedded basic switch with a dual-spring mechanism for extended mechanical lifespan

Three-point carbide measuring contacts for improved stability and precision

and large rotating display make it easy to position inside tight spaces while maintaining consistent accuracy

Pack of 4 Ductsure Door Relief Vent Grille Aluminium DG-A 636631 2 Piece 304 Stainless Steel 155-178mm Worm Drive Hose Clamp NPS Pipe Thread (Straight) –Ductsure Aluminium Door Relief Vent DG A 636631F Pack of 4 The Ductsure DG A 636631F Aluminium Door Relief Vent is available in a pack of 4, engineered for maximum ventilation capacity. Built from durable anodized aluminium, these vents provide excellent corrosion resistance, strength, and long lasting performance. Key Features: Pack Size: 4 pieces Part No: DG A 636631F Vent Facing Size (B B): 636 x 631 mm Internal Size (A A): 592 x 587 mm