Buy Wood Sanding Vacs from TileMaster here. Free delivery available. The Flex Vacuum is a compact and easy to use device with a high-performance turbine which delivers both a high suction capacity and a high vacuum. The Koala Compact 27 ltr Wet Vacuum with Spray Jet’s powerful motor 1400 watt vacuum cleaner and Large 37 litre plastic injection moulded tank makes it perfect for domestic and commercial jobs. It is also well suited to vacuuming after cleaner, polishing and tile cleaning.