400x100xD103 mm rectangular adapters with connections for round semi-rigid pipes.
Features:
with collars equipped with gaskets for semi-rigid tubes, to be removed and fixed on the pipe
cardboard template for dust protection included
suitable for vents, grilles, flat diffusers and perforated grilles measuring 400x100 mm hole
AVAILABLE MODELS:
with nr. 3 “Grey” collars ø75;
with nr. 3 “Grey” collars ø90.