Wastemaster Economy Waste Water Carrier GreyWastemaster Economy Waste Water Carrier Grey 38L The Wastemaster ECONOMY allows for the convenient disposal rather than allowing waste water to flow around your pitch and onto the site. Easy to slide underneath your Caravan (most) to collect the waster water, comes with a handy carry platform so you can also take your cassette toilet waste unit, so your get all the jobs done in one! Using a Wastemaster is by far the easiest way to collect and dispose