How much does this cost to the nearest dollar?

MSA ALTAIR 5X Multi-Gas Detector Battery Pack, Rechargeable, Lithium-Ion, Portable Gas Monitor Battery Replacement, Durable, Handheld, Easy to Install
WIDE-RANGE DEVICE COMPATIBILITY Black battery pack for use with manufacturer no. detectors EXTEND DEVICE LIFE Replacement battery pack for the ALTAIR 5X gas detector to extend device’s service life at a lower cost than full device replacement EXTEND DEVICE LIFE Replacement battery pack for the ALTAIR 5X gas detector to extend device’s service life at a lower cost than full device replacement SOUND DURABILITY This versatile device is rated for temperature range variations of -20 to 50 degrees Celsius to withstand the rigors of even the most extreme jobs EASY TO USE Simply plug the battery

Price is $349.00
Price: $349