Home / Test Instruments / Air Flow / Ventilation Instruments / Differential Pressure Differential Pressure Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 2 Products Sort Testo 420 - Differential Pressure Measuring Instrument Testo 420 - Differential pressure measuring £531.00 £637.20 (inc. VAT) £625.00 Testo 420 - Differential Pressure Measuring Instrument Testo 420 - Differential pressure measuring £531.00 £637.20 (inc. VAT) £625.00 View Product Testo 510 Differential Pressure Meter £98.00 £117.60 (inc. VAT) £109.00 Testo 510 Differential Pressure Meter £98.00 £117.60 (inc. VAT) £109.00 View Product