3 ms·
Out of curiosity, where were you able to find the big 4" thick filters in the 20x20 size? I wasn't able to find anything other than the usual 0.75 thick furnac
by Kadin 8y ago
Out of curiosity, where were you able to find the big 4" thick filters in the 20x20 size? I wasn't able to find anything other than the usual 0.75 thick furnace dust filters in 20x20 for a box fan.
- lubujackson 8y agoI just bought a 4 pack from Amazon Prime Now in SF, YMMV.
- 51lver 8y agoAce hardware. It was not cheap.