Membrapor Cl2 gas sensors are available in different sizes and models.
Compact CL2 sensors:
Cl2/C-20,Cl2/C-200,Cl2/C-2000,Cl2/C-5000
Miniature Chlorine sensors:
Cl2/M-20,Cl2/M-200,Cl2/M-2EG
Slim Cl2 gas sensors:
Cl2/S-20-S,Cl2/S-200-S,Cl2/S-50-S
Standard Chlorine gas sensors:
Cl2/S-20,Cl2/S-50