Enquire About this product Features Use on valve exhaust ports. Sintered bronze construction. Air muffler and exhaust diffuser. 40 micron nominal filtration; sound deadening qualities with low pressure drop. Brass Body Downloads ENGINEERING OPERATION & MAINTENANCE MANUAL General Information Manual You must have JavaScript enabled to use this form. Your Name Your Email Telephone Number Product to enquire about Product Name: Mufflers Details Please provide any extra details you wish to enquire about such as installation, maintenance services etc here or when the best time to contact you is if you wish to be contacted by phone.