Compressed Air Flow Transmitter (1″ line)$949.00 For Testo 6440 Call us for a quote Product Model: 0555 6442 Compressed Air Flow Transmitter (1" line) quantity Add to cart SKU: 0555 6442 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Description Description For Testo 6440 Related products Testo 340 CO Replacement Sensor (Low Range)(0-500 ppm)0 out of 5 $835.00 Add to cart CO Sensor – 327-10 out of 5 $96.00 Add to cart Testo 340 NO Replacement Sensor (Low Range) (0-300 ppm)0 out of 5 $835.00 Add to cart