Product Information:

• This filter features DNA®’s Round Design.
• Installation of this new DNA Air filter is very easy; simply follow the installation instructions included in the workshop manual.
• The filtering efficiency* is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA® Cotton.
• The flow of this new DNA filter is +4.82% more than the stock filter!
• DNA air filter flow: 87.00 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius.
• ROYAL ENFIELD stock filter’s flow: 83.00 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius.
• This DNA® filter is designed as a High Flow Air filter for: ‘Road use’.

For the ROYAL ENFIELD CLASSIC 350 22' model, only the R-RE35N21-01 filter is compatible and not the TC-RE35N21-S2 or R-RE35N21-S2-COMBO.

* Filtering efficiency is the amount of “dirt” the filter can maintain (stop) and protect the engine efficiently. For example, the DNA ® Filter for every 100 grams of dirt that it will receive, will hold 98 - 99 grams, this applies even to fine dirt as small as 5 microns.