Square horizontal odor-proof flap with magnet for hoods

The angular horizontal odor-proof flap with a magnet for dokoonale hoods seals and prevents the penetration of odors, wind and cold smoke. In the event of a drop in pressure, the valve closes tightly thanks to permanent magnets. The closing and opening pressure of the flap can be adjusted using a magnet and a screw. Designed as a 90x220 mm flat pipe connector. The check valve can be inserted into a horizontal (horizontal) pipeline as well as into a vertical (vertical) pipeline. Ideal for use with a hood. Quick and easy installation in the pipe. Check valve without flapping in the pipe. Odorproof - suitable for hoods. Shallow depth of construction.