Hercules Product Info 
Hercules Product IdTRN2121T1
Product DescriptionFILTER REPL 21-1/2 IN W 5 IN D 21 IN H
Unit of MeasureEA
Manufacturer Info 
Manufacturer NameHoneywell
Brand NameHoneywell
Part NumberTRN2121T1/U
Product UPC852674014636
Product DescriptionHoneywell TRN2121T1/U Replacement Filter, 21-1/2 in W x 5 in D x 21 in H, MERV: 10
Product Features
The replacement filter is a high-efficiency. long-life filter for Perfect Fit media air cleaners. It captures a significant amount of airborne particles in the air that circulates through the filter.
High efficiency and lower pressure drop than OEM filter
Captures particles as small as 0.3 micron
Pleated filter for greater media capacity
Low pressure drop reduces strain on equipment, provides a comfortable air flow and helps maintains equipment efficiency
Easy installation angled edge fits neatly into offset side of air cleaner frame
Trane perfect fit media air cleaners
Static pressure drop (in WC)- 0.17 at 500 fpm
22% E1/61% E2/87% E3
0.3 to 1.0 micron E1 small particle/1.0 to 3.0 micron E2 medium particle
Product Documents 
Document TypeDownload Link
CatalogTRN2121T1_Catalog (pdf)
Specification SheetTRN2121T1_Specification Sheet (pdf)
Product Specifications 
Depth 5 in
Efficiency 87%
Filter Rating 0.3 to 1 micron E1 Small Particle/1 to 3 micron E2 Medium Particle
Height 21 in
MERV 10
Width 21-1/2 in