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besanger
So, I am in Canada. I think I have followed although I must say it’s difficult because it’s all so fast in the video. I have two questions: can I use the Merv 14 filter with the NorthBox6XL …….the one that comes ready made ? Where in Canada do I reach the makers? shipping cost here can be absolutely outrageous and so I might be changing my mind based on shipping cost but for now it seems like the choice. Of course I would like you to benefit so how do I connect with them through you
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HouseFresh
Sorry about that!

You can use MERV 14 although the performance may be slightly lower than what you get with MERV 13.

You can email them directly and they can give you more info: northboxsystems@gmail.com

We don't have an affiliate scheme with them but I do appreciate you wanting to benefit also. If you wish you could buy us a coffee: https://buymeacoffee.com/HouseFresh Thank you!
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Bryan Gawtrey
Hi Dan,
Did you consider using the SickleFlow 120 fans found in the Clean Air Kits XL for the North Box Systems 6XL?
It seems the SickleFlow fans provide more cleaning power (CADRs), are quieter, more energy efficient and can also work with 3M MERV 14 MPR 2500 filters without a substantial reduction in cleaning power (Clean Air Kits website indicates a ~5% reduction in CADR). I will be using the MERV 14 filters going forward as they can remove more virus particles than MERV 13 filters.
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Danny Ashton
Hi Bryan,

This particular 6XL is designed for 140mm but I do want to test some of the PC-Fans from Cooler Master as I think that your right and you could get even better performance. Will also keep an eye on the 3M 2500 filters so we can test out what effect they have.

I think the big improvement would be to add a PWM controller and find the sweet spot with different fan brands for performance and sound!

Thanks for taking the time to suggest your idea here.
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Danny Ashton
Hi Bryan,

This particular 6XL is designed for 140mm but I do want to test some of the PC-Fans from Cooler Master as I think that your right and you could get even better performance. Will also keep an eye on the 3M 2500 filters so we can test out what effect they have.

I think the big improvement would be to add a PWM controller and find the sweet spot with different fan brands for performance and sound!

Thanks for taking the time to suggest your idea here.
Avatar Placeholder
Bryan Gawtrey
Hi Dan,
Did you consider using the SickleFlow 120 fans found in the Clean Air Kits XL for the North Box Systems 6XL?
It seems the SickleFlow fans provide more cleaning power (CADRs), are quieter, more energy efficient and can also work with 3M MERV 14 MPR 2500 filters without a substantial reduction in cleaning power (Clean Air Kits website indicates a ~5% reduction in CADR). I will be using the MERV 14 filters going forward as they can remove more virus particles than MERV 13 filters.