Profile: Professional Discount Supply is a provider of radon mitigation supplies and measurement equipment. Our products include radon fans, radon testing devices, activated charcoal canisters, alpha track long-term test devices and radon in water test kits. We carry a full line of diagnostic tools, digital manometers, pitot tubes, smoke bottles and diagnostic kits. We stock flexible couplers, manometers, sump kits, drainjer drain seal assemblies, fan covers, hydro-sep, downspout adapter for 4″ pipe and J-hook drain pipe holders.