Diversitech 21 Inch PolyTech XI Cartridge Filter
Diversitech 21 Inch PolyTech XI Cartridge Filter
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Diversitech PolyTech XI 21” Replacement Cartridge Filter

New OEM MERV 11 PolyTech XI Filter for FRED SR and Other Units, On Sale Here at the Best Possible Cheap Discount Online Sales Price with Free Ground Shipping!  Diversitech Part # S-SR-21PT


Specifications:
  • EFFICIENCY: MERV 11
  • FILTER MEDIA: SPUNBOND POLY
  • MEDIA AREA: 105 SQ.FT.
  • COATING: FIRE RETARDANT
  • END CAP: OPEN/CLOSED
  • CLEANING METHOD:  AIR & WATER WASH
  • MAX TEMP: 180° F / 82° C
  • FLANGE: NONE
  • LEAD TIME ABOUT 2 WEEKS
 
MERV 11 efficient cartridge filter captures particles at the submicron level, it provides the highest level of filtration efficiency 99.97% at 0.3 micron.

Order your Diversitech PolyTech XI 21" Cartridge Filter here at the best possible cheap discount online sales price and continue to enjoy effective, money-saving source-capture fume and dust removal in your large commercial or industrial shop or manufacturing facility!


Save Money Shopping Online, and Don’t Get Ripped Off 

There are not many official online retailers of Diversitech quality commercial replacement air filters and unfortunately the internet is full of scams. As a general rule of thumb, if the deal seems too good to be true, it probably is. Cheap cut rate online deals often end up being a used or refurbished unit, which do not come with Diversitech top rated warranties. Or even worse, you may end up buying a cheap discount air filter that doesn’t have the energy efficiency, features or warranties provided by top-rated Diversitech air filtration systems. 

Why Buying From Us is Better Than Buying Direct!

Our innovative partnership with Diversitech allows us to ship directly from their warehouse, which cuts out the middle man and eliminates the high operating costs of traditional brick and mortar big box stores. These savings get passed directly to you, allowing us to offer brand new filter at the best possible everyday cheap discount online sales prices. And buying from us is definitely better than direct--if you buy direct, you'll have to pay shipping. Buying from us, you always get fast free ground shipping as our thanks to you for shopping with us. 

If you have any questions give us a call or send us an email and one of commercial indoor air purification experts will be happy to help!

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