Akvopedia-spade, administrator
3,247
edits
Changes
no edit summary
}}
[[Image:Icon_double_ventilated_improved_pit.png |right|95px]]
'''The Double VIP has almost the same design as the [[Single Ventilated Improved Pit|Single VIP]] with the added advantage of a second pit that allows the technology to be used continuously and allows for safer and easier emptying.'''