Who are your competitors and why are you better? Sand filters, bag filters and cartridges – all high maintenance and all use water to backwash. By G4Developer|2015-10-27T23:48:28+00:00October 27th, 2015|Comments Off on Who are your competitors and why are you better? Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail