Standard Locks for Galvanised range
• Low cost, as 2 halves with bolts and nuts included
• Slim fitting electro galvanised (zinc plated)
• As they tighten, these pull the lips of the duct together to form a 99% air tight seal
• For complete seal. Use rubber gasket rings(Duct End Seals)
Call 0508 69 38 28 for more information.