Check the listing for details. Vintage Honeywell Valve Size Computer With Plastic Sleeve. Condition: Used. Listed at 9.95 USD. This listing is for a Vintage Honeywell Valve Size Computer. Comes in original plastic sleeve and instruction card. This is in very good condition. Please look at the pictures and email me with any questions. I ship out next business day. Thanks for looking. Returns: We accept ANY item back within 30 days of original purchase date for a full refund. All returns must come back in the same condition they were shipped out and arrived in. We try to describe all items the best we can. If for some reason you are not 100% satisfied with your purchase please contact us thru the eBay message service and we will work with you to make things right. We want everyone to have a very positive experience and do what we can to make that happen. Thank you!