Testo 350XL CO2 Sensor filter material refill$230.00 Testo 350XL CO2 Sensor filter material refill p/n 0390 0369 Call us for a quote Product Model: 0390 0369 Testo 350XL CO2 Sensor filter material refill quantity Add to cart SKU: 0390 0369 Category: Testo Replacement Sensors & parts for Discontinued Combustion Products Tag: Testo Replacement Sensors & parts for Discontinued Combustion Products Description Description Testo 350XL CO2 Sensor filter material refill p/n 0390 0369 Related products Testo 350XL/335 CO low replacement sensor0 out of 5 $1,152.00 Add to cart Testo 350XL H2S replacement sensor (0-300 ppm)0 out of 5 $1,227.00 Add to cart Testo 350XL HC replacement sensor 0-4%0 out of 5 $1,162.00 Add to cart