![CleanAirKits - Big Cleaning at a Whisper on X: "Costco is having a crazy summer sale on its Filtrete MPR2200 MERV13+. Great time to stock up for your Corsi-Rosenthal boxes! https://t.co/gHjy4FRG4H" / CleanAirKits - Big Cleaning at a Whisper on X: "Costco is having a crazy summer sale on its Filtrete MPR2200 MERV13+. Great time to stock up for your Corsi-Rosenthal boxes! https://t.co/gHjy4FRG4H" /](https://pbs.twimg.com/media/FxeWjSUaUAYWUlb.jpg:large)
CleanAirKits - Big Cleaning at a Whisper on X: "Costco is having a crazy summer sale on its Filtrete MPR2200 MERV13+. Great time to stock up for your Corsi-Rosenthal boxes! https://t.co/gHjy4FRG4H" /
![1006103 3M FILTRETE 16 X 25 FILTER PACK OF 3 2200 MPR 10 00 INSTANT SAVINGS EXPIRES ON 2023 05 07 39 99 - Costco East Fan Blog 1006103 3M FILTRETE 16 X 25 FILTER PACK OF 3 2200 MPR 10 00 INSTANT SAVINGS EXPIRES ON 2023 05 07 39 99 - Costco East Fan Blog](https://east.cocowest1.ca/uploads/2023/04/3M_FILTRETE_16_X_25_FILTER_PACK_OF_3_2200_MPR_20230421_74967.jpg)
1006103 3M FILTRETE 16 X 25 FILTER PACK OF 3 2200 MPR 10 00 INSTANT SAVINGS EXPIRES ON 2023 05 07 39 99 - Costco East Fan Blog
![Spotted Kirkland air filters in the warehouse today. Doesn't appear they are online. Hopefully they start to make more sizes : r/Costco Spotted Kirkland air filters in the warehouse today. Doesn't appear they are online. Hopefully they start to make more sizes : r/Costco](https://i.redd.it/yhp63fmyyjv81.jpg)
Spotted Kirkland air filters in the warehouse today. Doesn't appear they are online. Hopefully they start to make more sizes : r/Costco
![Costco sale Items & Flyer sales Feb 7th - 13th 2022 – Ontario, Quebec & Atlantic Canada - Costco East Fan Blog Costco sale Items & Flyer sales Feb 7th - 13th 2022 – Ontario, Quebec & Atlantic Canada - Costco East Fan Blog](https://east.cocowest1.ca/uploads/2022/02/3M_FILTRETE_ULTRA_16_X_25_X_1_PACK_OF_3_1500_MPR_20220207_49875-1024x768.jpg)
Costco sale Items & Flyer sales Feb 7th - 13th 2022 – Ontario, Quebec & Atlantic Canada - Costco East Fan Blog
![1006103 3M FILTRETE MPR 2200 16 IN X 25 IN 10 00 INSTANT SAVINGS EXPIRES ON 2022 10 23 39 99 - Costco East Fan Blog 1006103 3M FILTRETE MPR 2200 16 IN X 25 IN 10 00 INSTANT SAVINGS EXPIRES ON 2022 10 23 39 99 - Costco East Fan Blog](https://east.cocowest1.ca/uploads/2022/09/3M_FILTRETE_MPR_2200_16_IN_X_25_IN_20220930_62043.jpg)