Reverse filter cleaning vacuums
Spillrite compressed air powered vacuums come in both reverse fluid pump out models and reverse filter cleaning models. All Drum Lid Vacs and all 90 litre Poly Air Vacs can be configured with either reverse systems or both. Below is an image of the reverse filter cleaning Drum Lid Vacuum.
The revers filter cleaning models come in many different configurations including the 48 cfm and 180 cfm models.