Used Product for sale- we are happy to promote your products here 

Stack Monitoring Price Portable Instrinsically safe Data fid( just refurbished) £5500  Isokinetic method five system VGC 2019 £4200 Jum 3-200 heated fid system with heated line/ logger £3200 TUV approved Ecophyics Nox analyer £1200 Heated line controller k type £300 Environment SA MIR IS multi gas cem £2,300.00    

Ambient Monitoring iom sampling head £35.00