Product Description Item Number | 17150608Industrial Scientific Ventis MX4 4.5V DC AAA Alkaline Replacement Battery Pack Requires Three AAA Alkaline Batteries Fits Ventis series gas monitors setup with extended range batteries
Ventis MX4 & PRO Series Replacement Extended Range Li-ion Battery Pack, MSHA Approved | Mfg#17148313-2 MFG# IS-17148313-2 $301.12 Choose Options
Replacement Suspender Clip for Ventis MX4 & GasBadge Series Monitors | Mfg# 17120528 MFG# IS-17120528 $14.00 $11.14 Choose Options
Replacement Battery Cover for Ventis MX4 with Extended Range Battery, Orange | Mfg# 17151184-11 MFG# IS-17151184-11 $50.34 Choose Options