Setting the frequency and duration of timed drains can be a hit or miss proposition, often times resulting in the unnecessary loss of compressed air. Airtek’s Maximum Reliability Demand (MRD) Drain takes the guesswork out of the equation by only discharging when the condensate level dictates, and shutting off before any compressed air is wasted. The generously sized sump area offers protection against slugs of liquid, drains only when necessary, and wastes no compressed air. The MRD is the best choice for safe, reliable, and efficient condensate discharge