Shop our Hot Deals. Suction Port Diameter (mm). See List for Fitment. Problems are usually misunderstandings and with a little patience, can be easily resolved. When customers give us the opportunity to respond, they are never disappointed. By leaving your feedback you show for us in the best way how we are performing our service and about the quality of our products. Customer service is our priority, we are every day looking to get better for making you satisfied. We also offer Next Day Air if necessary, ask us for quote. Have your system serviced by a professional to guarantee a long and trouble-free system for years to come.