Check the listing for details. PrepPak 500 Compression Chamber Max 34 atmos. **Very Heavy**. Condition: Used. Listed at 349.99 USD. PrepPak 500 Compression Chamber Max 34 atmos.,. From a working Lab, untested, but Please use the photos as they are the main part of the listing. **May be packed in an oversized box to ensure a safe arrival to you.**. RELAX!! YOU'RE COVERED. INSURANCE IS INCLUDED IN THE HANDLING CHARGE FOR YOUR PROTECTION.*** If I am away on vacation, I will leave the dates I will be away on my PICK A PART Store description. If time is an issue, please check first, Thank You. ***I WILL GIVE YOU THE BEST POSSIBLE DESCRIPTIONS & PHOTOS FOR YOU TO MAKE AN INFORMED DECISION. I WOULD RATHER BE TOTALLY HONEST THAN DEAL WITH AN UNHAPPY BUYER AND GO BACK AND FORTH WITH RETURNS. *GUARANTEED FOR 60 DAYS-Make a "Best Offer" on as many as you need.*I WILL NOT END LISTED AUCTIONS EARLY, PLEASE DON'T ASK, IT'S NOT FAIR TO ANYONE.