Free Air - Without Baffle: 100cm²
Free Air - With Baffle: 70cm² Core drill ‘vario' ventilator BM418
Size: 127mm (5") diameter standard tube length 350mm (14")
Rated Input Max 21kW (71,500 Btu/h) With Baffle
Takes extension tube BM 810 to extend a further 1 metre.
Brown outer cowl white inner grille.
Anti-draught baffle supplied which reduces the ‘Effective Free Area'.
NOTE: SPECIFICATION APPLIES TO ALL BM418 VARIENTS