Check the listing for details. Protective Chrome Breather Filter Universal Fitment 10mm - 15mm - All Red. Condition: New. Listed at 15.94 USD. Chrome Breather Filter: 10mm - 15mm Fitment | Red Key Features • Offers high quality protection for all breathers & vents (eg crankcase, rocker, carb etc) • Ensures air flow is not contaminated by foreign deposits which damage engine • Chrome top & bottom caps - adds that finishing touch to competition & show engines • Element easily cleanable (soak in petrol then spray with WD40 or similar) • Universal fitment with stainless worm-drive clamp supplied - fitted in seconds • Essential if removing emission equipment (for more power) • Filter element measures 50mm height x 50mm diameter • Internal diameter (bore) rubber fitting 12mm (suits male fitting 10mm to 15mm - worm-drive clip allows compression of rubber, while elasticity of rubber allows stretch).