Fits the following products:
HP800
HP800BL
HP800WH
HP800GR
 
Product Dimensions:
HEPA: 18.10 x 17.5 x 1.75 inches
Pre-Filter: 18.10 x 17.5 x 0.20 inches
Shipping Dimensions - 18.03 X 17.24 X 1.93 inches
Shipping Weight -1.98 pounds
 
Recommended Filter Change:
HEPA: 6 months
Pre-Filter: 3 months