Bel-Art Lab-Aire II Polypropylene Single-Sided Electric Benchtop Glassware Dryer; 3 Tier, 120V, 16.75 x 7.5 x 22.7 in. (F18819-0013) Lab-aire II electric benchtop dryers offer a compact footprint and accelerate drying of labware with warm, circulating air; conserve benchtop space by placing single-sided models up against the wall Heat selector knob with three temperature settings: high, medium and low; removable polypropylene baskets serve as storage for small labware and extra pegs Power button illuminates when in use, and an 8-amp at 120V (4-amp at 230V) circuit breaker and independent thermo-fuse protects unit from overheating Measures 16.75" length by 7.5" width by 22.7" height Electric drying efficiency is enhanced with a replaceable polyurethane foam filter that keeps warmed air dust free, redirect air flow by inserting plugs instead of pegs into unused peg holes