To build this item you will need, one pressure sprayer from Screwfix, one extraction head with trigger, and one extension pole to chop up.
5Ltr pressure sprayer Screwfix
https://bit.ly/2M8eSgq
Wet Vac extraction attachment WITH TRIGGER
http://ebay.us/z719Qd
32mm extension pole
http://ebay.us/2keWw7
6mm ID silicon vac pipe for extending if required, I would recommend 2m or 3m.
http://ebay.us/lLJsew
Wet Vac extraction attachment (no trigger)
http://ebay.us/ICXZOT
Mini Accessories Kit
http://ebay.us/ldt05M
9m industrial spec hose (make sure it's the silver one! )
Updated link try this one
http://ebay.us/lclmAa
http://ebay.us/cxbrKM
HEPA filter no longer on screwfix, but there is an alternative (not HEPA)! http://ebay.us/V0KoI6
Rubber crevice tool
http://ebay.us/z0f3mI
Dust attachment
http://ebay.us/Onknqo
straw dust daddy
http://ebay.us/W9FbZH