Enquire About this product Features Reliable stainless steel stub pump with 4-1/4" diameter air motor for use in 55-gallon drums and wall mounting units Designed to handle anti-freeze / water mixtures with water content higher than 50% You must have JavaScript enabled to use this form. Your Name Your Email Telephone Number Product to enquire about Product Name: 425 Series 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.