Extends The Life Of The Main Filter By Capturing Larger Particles Before They Reach The HEPA Filter. Graduated Fiber Matrix Delivers Excellent Particle Capture Capacity. Captures Particles To 1-3 Micron At Efficiency Of 60 - 90%

Packed Values: Length 16 IN (39cm)   Width 16 IN (39cm)   Height 13 IN (33 cm)   Weight 9 lbs (3.5g)