SIMTECH SIM/TECH SEPTIC PRESSURE EFFLUENT FILTER STF-100A2 DIY ! For full product information, go to: http://www.gag-simtech.com/index_files/Page309.htm Refer to the information on the STF-100A2 model, which is the item offered in this listing. FREE TELEPHONE AND EMAIL CUSTOMER TECHNICAL SUPPORT EVERY DAY OF THE YEAR !