Membrapor O3 gas sensors are available in different sizes and models.
Compact Ozone sensors:
O3/C-100,O3/C-1000,O3/C-200,O3/C-5,O3/C-5000
Miniature Ozone sensors:
O3/M-100,O3/M-5
Slim O3 gas sensors:
O3/S-5-S
Standard O3 sensors:
O3/S-30000,O3/S-5