PROTECH 17.5 x 21 x 5 PD540040 (Merv 8)

• Rated Air Flow - 1400 CFM
• Nominal Width 17-1/2"
• Actual Width 17-1/4"
• Nominal Length 21"
• Actual Length 20-3/4"
• Nominal Thickness 5"
• Actual Thickness 4-3/8"
• Pressure Drop at 600 CFM (in. W.C.): 0.050
• Pressure Drop at 800 CFM (in. W.C.): 0.110
• Pressure Drop at 1000 CFM (in. W.C.): 0.160
• Pressure Drop at 1200 CFM (in. W.C.): 0.190
• Pressure Drop at 1400 CFM (in. W.C.): 0.280
• Fits Model [*]XHF-E17 Media Air Cleaner Housing

Replaces

• PD540010
• 540010S
• 540010