Manrose Screen Fly 100mm For Fixed Wall Grilles

Fly screen for fixed wall grilles. *We don’t recommend the use of fly screens with mechanical extract ventilation. It can reduce the fans performance by up to 60% leaving the fan no longer complying with the building regulation doc Part F and L. Only for use with static-vent and return air boxes. For information please contact our technical department · · · Size: 100mm/4Inch · · Spigot diameter: 100mm · · Ducting diameter: 100mm