Bring in outside air during warmer months using the existing heat transfer system.
- 1 x Branch Take Off (Splitter) including Motorised Dampers
 - 1 x 200mm F7 Filter Box
 - 1 x 3 Metres 200mm Insulated Duct
 - 1 x 200mm Fixed Grille
 - 2 x 48mm x 5 Metre Duct Tape
 - 2 x 200/150 reducers (only required if adding to a one or two room Heat Trans system)