Loading... Please wait...

Sort by:

Aprilaire/ SpaceGuard Replacements*

Our Envaero Replacement Filters for Research Products for AprilAire and Space Guard 2200 and Space Guard 2400 are specificaly designed to replace your existing filter. They are a box frame all one peice no need to weave onto a comb for replacement. Sturdy beverage box frame doesn't loose shape. 

*Trade name used for identification purposes only.