Driver - Concrete Vertigo Socket Driver, 13mm Insulation Knife a direct vent grille neck

a direct vent grille neck adaptor can be used with a direct vent grille with a curved blade or a direct vent egg crate grille

Hanging pipe

4-2014 and AS4072

Inline Dampers are adjusted manually

or used in a cradle method

Driver - Concrete Vertigo Socket Driver, 13mm Insulation Knife a direct vent grille neckConcrete Driver are a one piece, high tensile self tapping fastening system suitable for installation into concrete substrates. Concrete are a fast, cost effective alternative to the traditional drop in anchor halving the installation time. The use of a smaller 6mm drill bit also cuts drill bit costs and give more holes per battery life when using battery operated rotary hammer drills. Ideal for suspending threaded rod vertically overhead for