The item available here is a new old stock Sun Hydraulics hydraulic relief valve.  It comes as shown in new condition the original packaging. 

 It has not been tested and comes with a 30 day return policy from the date the item were shipped, EXCEPT INTERNATIONAL SHIPPING.   Postage is not covered.

Here's the Specs:

MODEL: RPECLAN

Items will be paid for immediately and will be shipped using USPS.

International shipments are accepted, but NO RETURN policy when shipped outside of the USA and Canada.