AIRx 21x21x4.5RR-HEALTH | Our#: 176990

21x21x4.5 AIRx HEALTH Rheem/Ruud RXHF-E21AM130 Replacement Air Filter - MERV 13

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AIRx 21x21x4.5RR-HEALTH | Our#: 176990

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Protect more sensitive lungs

  • Highest rated filter to reduce most pollutants
  • Reduces pollen, dust, lint, dust mite debris, pet dander & mold spores
  • Lessens odors from car fumes & smoke
  • Removes bacteria & virus carriers
  • Creates cleaner indoor air
  • Actual Dimensions: 20 ¾" x 20 ¾" x 4 ⅜"
21x21x4.5 AIRx HEALTH Rheem/Ruud RXHF-E21AM130 Replacement Air Filter - MERV 13

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$88.71 (2 Filters for $177.41)

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Product Details

21x21x4.5 AIRx HEALTH Rheem/Ruud RXHF-E21AM130 Replacement Air Filter - MERV 13 (actual dimensions 20-3/4" X 20-3/4" X 4-3/8") - Rated MERV 13

Replaces media filters used in Rheem / Ruud model RXHF-E21AM13 21" Air Handler Media Air Cleaner Cabinets.  Replaces Protech 540018, PD540042

NOTE:  This filter is not manufacturered by Rheem or Ruud. 

These deep-pleated filters are manufactured to fit in Rheem and Ruud Media Exact Fit Air Cleaners. Expect comparable quality of construction at a value price!! 

FEATURES:  

  • Moisture resistant frame remains sturdy even in high humidity
  • Rust resistant galvanized wire downstream gives the filter rigidity and holds media in place after installation  
  • Built-in support fingers hold pleats in place and allow for maximum dust holding  
  • The MERV 13 rating on this filter provides an extra level of protection against airborne pollutants.

Do you want to know about the technical specs?

Nominal Dimensions
21 x 21 x 4 ½"
Actual Dimensions
20 ¾ x 20 ¾ x 4 ⅜"
Filter Media
Electrostatically charged 100% synthetic gradient media that does not support microbiological growth
Filter Support Grid
30 gauge galvanized expanded metal grid
Frame
Moisture resistant double-wall beverage board
Max Temperature
180F (82C) continuous service, peak 225F (107C)
Max Humidity
Resistant to 100% R.H.

Replaces These Filters:

National Filter Sales:
21x21x4.5
Protech:
540012
540018
540042
PD540042
Rheem:
RXFH-E21AM13
RXHF-E21AM10


How to change your furnace/air-conditioner/HVAC air filter

Estimated time: 10 minutes or less

Steps

  1. Determine the location of your filter

    Your forced air system will be similar, whether or not it is a heating (furnace) or cooling (AC) system – or both. The furnace filter housing/slot is located right next to the heating/cooling system’s air handler or blower. Your filter(s) may also be located in a return grille on the wall or ceiling of your home.

  2. Determine the type/size of filter that you use

    Typically, the dimensions or part number of the filter will be printed on the filter frame. Use this information to order a new filter.

  3. Purchase a new air filter from DiscountFilters.com

    Visit DiscountFilters.com and purchase a new filter. Use our filter finders to verify the correct match.

  4. Remove the old filter

    Turn off the power to the heating/cooling system and remove the old filter from its housing/slot and discard.

  5. Insert the new filter

    Pay attention to any airflow direction arrows printed on the frame of the new filter. Install the filter by sliding it into the filter housing/slot with the airflow arrow pointing towards the blower. If installing the filter in a wall or ceiling grille – the airflow arrow should point towards the wall or ceiling. Turn on the power to the forced air system.

    Enjoy cleaner air!