![I wanted an air purifier for my allergies, but someone suggested spending $25 on a box fan and filter instead. Fingers crossed that it works! (Feat. concerned kitty) : r/Frugal I wanted an air purifier for my allergies, but someone suggested spending $25 on a box fan and filter instead. Fingers crossed that it works! (Feat. concerned kitty) : r/Frugal](https://preview.redd.it/p9ch2vtbmpn21.jpg?auto=webp&s=8cb0a36c9c8d7708120249f616855c98fdcb5f53)
I wanted an air purifier for my allergies, but someone suggested spending $25 on a box fan and filter instead. Fingers crossed that it works! (Feat. concerned kitty) : r/Frugal
![Do the DIY box fan filters work? Well, here's mine after just 1.5 days running in a closed bedroom (Greenwood area) : r/SeattleWA Do the DIY box fan filters work? Well, here's mine after just 1.5 days running in a closed bedroom (Greenwood area) : r/SeattleWA](https://external-preview.redd.it/qRq0rLpWi0MZNjIkG6MWxhiSIanAhvhkDhOIWNEjtgc.jpg?auto=webp&s=41b67e0952bfb02032db18bc4f328962e82d6d5b)
Do the DIY box fan filters work? Well, here's mine after just 1.5 days running in a closed bedroom (Greenwood area) : r/SeattleWA
![Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot](https://preview.redd.it/wram2cs2qs381.jpg?auto=webp&s=8a823b3389597a5d0cac1e1e0805d9861914ab5a)
Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot
![Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot](https://preview.redd.it/sdb8uykc6u881.jpg?auto=webp&s=5c1d53a417e6e5a5a635dc8c649d725382497748)
Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot
![Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot](https://i.redd.it/zf1auxagd4d61.png)
Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot
![Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot](https://preview.redd.it/h0hfpew0kqb81.png?auto=webp&s=0766e1ffeff466048bf99762cf7d82e4e785a1f2)
Can someone explain the air filtering unit for me please? I dropped 400k on these filters and they had a 5 minute timer and disappear? (I had one in the first slot
![How do I tell which direction an air filter needs to point? I can't go by the arrows on it because it was installed by someone who also doesn't know for sure. How do I tell which direction an air filter needs to point? I can't go by the arrows on it because it was installed by someone who also doesn't know for sure.](https://i.redd.it/alp7u5626wh81.jpg)
How do I tell which direction an air filter needs to point? I can't go by the arrows on it because it was installed by someone who also doesn't know for sure.
![Air filter - Arrow says “Air Flow” direction, but it also says point towards cooling unit. I'm probably missing something, it seems the air is flowing left, but the unit is on Air filter - Arrow says “Air Flow” direction, but it also says point towards cooling unit. I'm probably missing something, it seems the air is flowing left, but the unit is on](https://preview.redd.it/suihctby2ii31.jpg?auto=webp&s=0a0e3e9a23503c1f4415068023c2f3dc30343a46)