Castrol Edge 5w - 30 Professional LongLife III, 1L
Available new and used from £8.07 via Amazon.co.uk
Mobil 1 3000 X1 151176 Formula FE 5W-30 Engine Oil, 5L
Available new and used from £23.99 via Amazon.co.uk
Thetford Porta Potti Excellence (Electric Pump)
Available new and used from £114.95 via Amazon.co.uk