Item name AND Location. The water boy 275 GPD RO unit - CAPE TOWN Shipping or Collection or Both? Can collect Price R3,500 Full description. The Waterboy 275 GPD RO unit Includes some new spare cartridges as shown. Been running for about 10 months with current cartridges Also have a Tunze TDS meter (not included) which is available separarely. Photos of actual Items for sale.