This is a brand new Twin Air high flow air filter for the DRR or Apex 50, 70 & 90.

 This filter clamps directly onto the carburetor, it has a 2" opening. Fits PWK Carbs from 20mm-30mm. 

The 2nd & 3rd pictures are of this style filter on my sons race 70, you will receive a new filter as shown in the 1st picture. 

Free shipping is in the US only.  Thanks