Reader Question: Air Filter Shelf Life?

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Heres’ the latest reader question, along with my reply!

Mark asks: I’ve stocked up on air filters for both my bike and my car. With the supply chain issues, I keep extras of necessary items. I have three filters for my bike; after I mount one of them soon, I’ll be down to two. I have six for my car. I keep them on a shelf in my garage. My garage is high 70s to low 80s in the summer, and it’s low-mid 50s in the winter. How long will those filters last? Will they still be good in a few years’ time when I go to use the last one?

My Reply: I’ve stored some air filters for ten-plus years (as for my antique car) and they are still as good as new. Eventually, of course, everything deteriorates. But it takes a very long time for an air filter’s paper, plastic and so on to deteriorate, especially if stored in the box in a dry place not subject to extremes of temperature variation.

You should be fine!

. . .

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1 COMMENT

  1. Just wanted to chime in — Depending on the season, the humidity might be more of a concern longterm than temperature necessarily. Could pick up a cheap hygrometer at the Tractor Supply to help monitor the humidity level in the garage and store the filters alongside some moisture absorbers (like DampRid, but just make sure they’re kept upright, cuz they’re a nightmare to clean up when spilled) or put them in a tote with some silica/desiccant packs, but you’d have to make note to replace those every so often. I keep them in my storage unit but when summertime hits they fill up in a couple of months.

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