WISKA IP69K Metric VentGLAND Cable Glands The VentGLAND has a micro-porous, liquid tight PTFE membrane that literally lets the casing breathe, which then compensates different pressures inside and outside the casing. Hence, condensation is reduced to a minimum while the high-tech membrane seals in such a way that dirt and water cannot penetrate into the casing. Features and Benefits Cable gland and pressure compensation in one Reduces condensation to a minimum Fast replacement of a traditional cable gland due to identical sizes