What size air filter do I need for a Rheem rbea-21 model

barbe80 Posts: 1, Reputation: 1

New Member

Mar 30, 2014, 08:29 AM

What size air filter do I need for a Rheem rbea-21 model

What size filtr do I need for a Rheem RBEA- 21 model

ma0641 Posts: 15,675, Reputation: 1012

Uber Member

Mar 30, 2014, 09:28 AM

It should be marked on the inside of the air handler or measure the old filter or filter opening.

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