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 5 Micron At Efficiency Of 40 - 60%

Packed Values:   54cm (22 IN)  L    46 cm (19 IN) W,    8 cm (4 IN)   Weight 5 lbs (2 kg)