Sensidyne, LP GilAir-5 RC 800885-111

External Filter Housing - Clear External filter housing allows an immediate visual inspection of filter’s condition. Flow Fault & Test Indicators - Flow Fault indicator lights up if unit operates outside ± 5% of set flow rate. Battery Test indicator lights up when battery can provide a minimum of 8 hours of operation over operating range. Basic, Clock, & Program Models - Basic model is easy to use. Clock model provides elapsed-time clock display. Program model provides delay start times up to 9999 mins. Optional Low Flow Modules - Constant Low Flow module allows sampling from 5-500 cc/min. Constant Pressure (Multiflow) Module allows sampling from 1-750 cc/min.