$ 165.95
In stock
Discount per Quantity
| Quantity | 1 - 9 | 10 - 19 | 20 - 50 |
|---|---|---|---|
| Price | $ 165.95 | $ 157.65 | $ 149.36 |
| % Discount | - | 5% | 10% |
Replaceable filters can be changed to maintain optimal performance. This refill cartridge tray is perfectly sized for Air Box 2. It is 100% air tight for continuous, worry-free operation (This order comes with 2 refill cartridges)
| Case Quantity |
2 |
|---|---|
| Size |
12" x 1" x 20" |
| Total Weight: |
8 lbs |
Dear Customers,
Please be advised that for deliveries to Alaska, Hawaii, and Puerto Rico, a delivery surcharge may apply. We will notify you of any additional charges before your order ships.
Order processing can take from 3 to 5 business days for Air Box filter units, inline fans, and replacement filters, and up to 4 weeks for custom-built orders. We prioritize orders for essential services such as schools, government and the healthcare industry.
We charge a flat shipping rate on the date of your order.
Please note that freight quotes may vary on the shipment date due to fluctuating fuel prices, brokerage fees, and/or special handling requirements. We do all we can to ship your orders promptly and at the lowest freight cost possible.
Note: Air Box 4 and Air Box 4+ filter units are stacked high on skids for shipping to ensure their protection and prevent any damage during transit.
Additionally, bundles, which include Air Box units and inline fans, may ship from different locations. As a result, one product may arrive before the other.
Thank you for your understanding and continued support
For Air Box shipping policy go here
Room volume is the cubic footage of the room. To calculate this, multiply the length, width, and height of the room.
Number of air changes per hour is the number of times you want the air in the room to be replaced in an hour. (A good rule of thumb is to aim for 2-3 air changes per hour).
60 is the number of minutes in an hour.
For example:
If a room is 10 feet long, 12 feet wide, and 8 feet high, the room volume would be 960 cubic feet. If you want the air in the room to be replaced 2 times per hour, you would need a fan with a CFM rating of 320.
CFM = (960 cubic feet * 2 air changes per hour) / 60 minutes per hour = 320 cubic feet per minute
It is important to note that this is a general formula. The actual CFM requirements to ventilate a room may vary depending on a number of factors, such as the number of people in the room, the activities taking place in the room, and the type of ventilation system in the room. If you are unsure how many CFM you need, it is always best to consult with a professional.
Here are some additional factors to consider when calculating CFM requirements:
By considering all of these factors, you can determine the correct CFM requirements for your room and ensure that you have the proper ventilation to keep the air fresh, healthy and clean.
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