R1234YF Air Con Units from Fral. £2373..00+vat or from £12.69 per week. Full automatic recharge, without any manual valve. Electronic control of all phases of work cycles and accessories, recovery and automatic oil injection, independent control of both high and low pressure.The latest generation graphic display database upgradable to include more than 1900 cars, trucks and agricultural vehicles with print out. www.jbsequipment.co.uk