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Blauberg KFBК (rectangular)

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For purification of supply or exhaust air in ventilation and air conditioning systems installed in various premises.Designed for protection of air ducts, heat exchangers, fans, controls and other ventilation system equipment against dust pollution.Prevent contamination of walls and ceilings located near the system.Can be used as pre-filters installed upstream to more efficient filters.Compatible with 400x200 up to 1000x500 mm rectangular air ducts.

Galvanized steel case.Equipped with a filter cartridge made of synthetic non-woven cloth with filtration class G4.Filter cartridge has manifold bending to increase the filtration surface and protected with a metal net against deformation with air pressure.Quick access to replaceable filter cartridge due to lever locks on a swivel filter cover.


Fixing to rectangular ducts with flange connection.Installed upstream to heater and fan following the air flow direction.While mounting provide extra space for free access to the filter for servicing.

G4 replaceable filter cartridges made of synthetic non-woven cloth series FP KFBK.

Modification name
KFBK 100x50
KFBK 40x20
KFBK 50x25
KFBK 50x30
KFBK 60x30
KFBK 60x35
KFBK 70x40
KFBK 80x50
KFBK 90x50
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KFBК (rectangular) - data sheet (pdf 143.73Kb)
KFBК (rectangular) - image (png 749.07Kb)
KFBK, KFBV, KFBT - user's manual (pdf 791.54Kb)
Designation key
Designation key
Series Flange size (WxH) [cm] Filters
KFBK 40x20; 50x25; 50x30; 60x30; 60x35; 70x40; 80x50; 90x50; 100x50 G4