Features This high pressure air pump filter uses a compact density filter. Large volume, good water absorption, good performance. No frequent change is required and can be reused after cleaning. Made of high quality material with long service life. High quality. Specifications: Material: cotton fibre. Colour: white. Safe voltage: 30 MPa. Suitable for: for YONG HENG 30MPa air compression machine. Size: approx. 2 x 3.5 cm / 0.79 x 1.38 inches. Weight: 66 g Cleaning method: 1. The filter core is soaked in diluted detergent water. 2. After the filter core is filled with water, remove and then dry and then soak in the detergent water. 3. Repeat air drying several times. 4. Do not press or rub. Extrusion leads to deformation of the filter core and poor drainage. Box contents: 50 x high pressure pump filters Package List