About 20 years ago the company I worked for threw quite a few Wet and Dry Henry bases and top casings in the skip. We needed a small high flow vacuum pump that could handle a small amount of water to use in a low production product. The Henry motor-fan unit was ideal. We could buy them as spare parts but by the time you bought the motor, rubber mounts, and brackets it came to more than a complete new Henry from Argos. The tools and hoses went to local charity shops but we never found a use for the bases….