Rheem / Ruud ProTech PD540042 21x21x5 MERV 8 Air Filter

Made in USA

Quality Alternative ($35.50/filter)

  • 5 stars
  • (2)
  • MERV 8, Made in the USA
  • Recommended
List Price $141.99

Our Price: $70.99

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ProTech PD540042

  • MERV 8
List Price $117.99

Our Price: $58.99

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  • Product Overview
  • Reviews

The genuine OEM Rheem / Ruud ProTech PD540042 21x21x5 MERV 8 Air Filter is designed for use in the XHF and XGF Series Media Air Cleaners.

ProTech PD540042 Air Filter Specifications:
  • Nominal Size: 21" x 21" x 5"
  • Actual Size: 20-3/4" (20.75") x 20-3/4" (20.75") x 4-3/8" (4.375")
  • MERV Rating: 8
  • Filter Life: 6 to 12 months depending on air quality
Rheem PD540042 Media Filter Compatible Model/Part Numbers:
  • PD540042, PD540012
  • 540012S, 540012, 1404399746448
  • XHF, XGF, AXHF-E21AM
Ruud PD540042 Whole House Air Cleaner Filter is also known as:
  • ProTech PD540042 MERV 8 21x21x5 Media Filter.
  • Rheem/Ruud PD540042 21x21x5 ProTech MERV 8.
  • Rheem PD540042 21” x 21” x 5” Merv 8 Media Filter.
  • 21” x 21” x 5” Exact-Fit Filter for Air Cleaner AXHF-E21AM MERV 8.

0 out of 0 people found this review helpful.
5.0 Stars

A+

By Anonymous on 10/6/2021 8:35:28AM

Great filters. I'm happy. Exactly as described and the best price out there pretty much.

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0 out of 0 people found this review helpful.
4.5 Stars

Quality Products are Important

By Man in 60s and over from Springfield, MO on 8/27/2020 7:55:59AM

I had purchased these same filters from a competitor but the last order was very poor quality and when questioned there was no reply even after multiple tries. The filters from All Filters are very good quality as it is obvious their concern is excellent products. All filters will be ordered from them from now on

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