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Protech MERV 8 Rheem-Ruud Replacement Filter 540042 2 Pk

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Price Each: $88.15

Direct Replacement Filters for Rheem/Ruud 540012 MERV 8 Filter 2 Pack

Protech 540042 Overview

Custom-sized Merv 8 media filters for replacement of exact fit series media air cleaners

Please Note! Replacement Filter Only - Does NOT Include Housing

  • Rated Air Flow - 1800 CFM
  • Nominal Width 21"
  • Actual Width 20-3/4"
  • Nominal Length 21"
  • Actual Length 20-3/4"
  • Nominal Thickness 5"
  • Actual Thickness 4-3/8"
  • Pressure Drop at 800 CFM (in. W.C.): 0.090
  • Pressure Drop at 1000 CFM (in. W.C.): 0.110
  • Pressure Drop at 1200 CFM (in. W.C.): 0.150
  • Pressure Drop at 1400 CFM (in. W.C.): 0.190
  • Pressure Drop at 1600 CFM (in. W.C.): 0.240
  • Pressure Drop at 1800 CFM (in. W.C.): 0.290
  • Fits Model [*]XHF-E21 Media Air Cleaner Housing
  • MERV 8 Rating

Protech 540042 Replaces:

  • PD540012
  • 540012S
  • 540018

Nominal Size: 21 x 21 x 5

Actual Size: 20-3/4 x 20-3/4 x 4-3/8


  • Model: PD540042

Fits the following models

RXHF-E21AM



This product was added to our catalog on Friday 16 September, 2016.