Standard Locks for Galvanised range
• Low cost, delivered 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)
For longer horizontal runs, WIDELOCKS are available which offer additioanl rigidity to the join.
Call 1800 370 846 for more information.