Qwik Products manufactures a line of HVAC/R commercial and residential products that deliver low cost solutions to test, or repair, many of today's common HVAC/R maintenance problems such as: - System line set flushing after burn-outs or conversions + Qwik SystemFlush - Corroded or broken compressor terminals + QwikLug - Testing compressor oil for harmful inorganic acids + QwikCheck - Removing acid from air conditioning systems + QwikShot QWIK PRODUCTS ARE DESIGNED AND MANUFACTURED IN THE UNITED STATES Many Qwik Products are derived from Department of Defense research and development. Our products typically begin as a solution to address problems seen by today's military or space agencies operating in austere environments. The result is solutions that outperform the competition, are easy to use and work every time.