Here we have a Brand Yamaha TY250/350 Twinshock Air filter 434-14451-00.
These have been discontinued and are no longer available from Yamaha, get one while you can, limited stock left available. We also have CTC reproduction TY250/320 air filter cages 434-14458-00 available you can add one of these to your order in the options box for £14.50.