... Which Never Rust And Against High Pressure More Durability6,Rapid Of Air Inflation Very Fast(One Tire/35 secs)7,Coin operated ... Van or Bus 3,tire inflator coin operated schedule 4,automatic air inflator machine Control plate 5,Quality advanced point 1--compare ... year, the plastic material will weak because of air-slake, increase after-service Trouble, reduce air inflator’s life 6,Warrantee: 1 years ...