Aprilaire Stock 501 Filters

We sell Aprilaire stock 501 filters, and 4270 filter spacers to you at low prices! The stock 501 filters are also referred to as Aprilaire Model 501 filters. The filters are genuine Aprilaire OEM filters made specifically for the Aprilaire 5000 electronic air filter. We sell the Aprilaire model 501 filters individually, in 2-packs, 4-packs, and by the case.  Please email us anytime if you have questions. Our email address is support@arnoldservice.com Same Business Day Fast Shipping! We would love to help you out and have your business!

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