Check the listing for details. 😃 ADVANCED INSTRUMENTS 0.75 AMP 02 OXYGEN GAS ANALYZER 240V TYPE 4, 12 GPR 27W. Condition: Used. Listed at 224.99 USD. ADVANCED INSTRUMENTS 0.75 AMP 02 OXYGEN GAS ANALYZER MODEL No. GPR 27W 240 VOLT AC HOFFMAN ENCLOSURE MODEL No. CSD12126/SPL NEMA TYPE 4, 12 RUST ON UNIT, SEE PICTURES. WE ARE ALWAYS HERE TO HELP YOU. WE STRIVE FOR 100% CUSTOMER SATISFACTION. AND WE STAND BEHIND EVERYTHING WE SELL! WHEN YOU RECEIVE AND ARE HAPPY WITH YOUR PURCHASE, PLEASE LEAVE US A 5 STAR FEEDBACK RATING.OUR HOURS OF OPERATION ARE 6:30 AM TO 2:30 PM EST. ORDERS PUT IN BEFORE 8 AM WILL GO OUT THAT SAME DAY, ORDERS PLACED AFTER 8 AM WILL GO OUT THE NEXT DAY. PLEASE LET US KNOW IF YOU NEED FASTER SHIPPING OR IF YOU WANT US TO DROP SHIP TO YOUR CUSTOMER. WE ARE HAPPY TO HELP!! ALSO PLEASE DON'T PUT OFFERS IN ON FRIDAY, THEY EXPIRE AND WE DON'T SEE THEM. THANK YOU FOR HELPING US SERVE YOU BETTER!!LOCATED ROW-4 S-7 MK