Air Science U.S.A. LLC

Purair Replacement Prefilter



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Material: Carbon
Overall Width: 17 3/4"
Length: 17 3/4"
Overall Height: 1/8"
Rating: 99% efficiency to 0.5 microns
Includes: 6 prefilters
Product Weight (Lbs): 2
Shipping Method: UPS / FedEx
Note: This item is custom, sorry no returns. For alternate options please call or chat

The Purair Replacement Prefilter 6-pack is a good choice for your science lab because it protects the main filter from dust and dirt. This electrostatic prefilter removes mists, aerosols and particulates. It's recommended that you change prefilters every two to three months. Rated at 99.6 percent efficiency to 0.5 microns according to US standard 209B.


Which filter is recommended for a high school Chemistry Lab?

Asked by: Christy
In general, the acid filter is used in K-12 science labs - however, the filter type depends on the types of chemicals that will be used in the lab. Our experts are happy to help you find the best filter for your needs - give us a call at 1-800-260-2776.
Answered by: School Outfitters
Date published: 2018-08-22

Where can I find instructions for installing this filter?

Asked by: Kathy High
You may contact the manufacturer for any questions regarding filter installation. Contact information is here:
Answered by: School Outfitters
Date published: 2021-06-28
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