Fits models: A250, A350, A375 This is our standard four stage filter. The main filter and pre-filter can be replaced, removing what other filters do not, meaning fresher air with each change at a fraction of the cost. It also contains more than 6-8 times more GAC carbon than typical pre filters.

• Just the facts: 100% made in the USA
• Lasts longer, Removes more, Replacements cost 60-70% Less than OEM
• Adsorption filter bond to main filter contains 6-8x more GAC carbon than typical prefilters, trapping pollutants down to molecule (.0007)
• Suggested replacement: 12 months with proper pre-filter replacements. Frame is Lifetime reuseable.
• Filter arrives complete, ready to install with prefilter attached, nothing to cut.

Just the facts: 100% made in the USANextron Products