... , without the use of dryer, easy to use, once and for all. 20% ~ 60% RH accused of wet range, high, medium ... prevent slippery, shock absorber, strong stresses force rubber pads. For streaming layer board, which convection to vent faster, humidity in ... heat, no dropwater and also no noise. 7, Widely suitable for saving videotape equipment, personal precious collection, optical diaphragm, chemical ...