Vacuum Relief Valve Description Gast - Vacuum Relief Valve (brass with nut) read more DarPro PN: 700563 MFS PN: 53-00112 Categories: Vacuum System, Vacuum System Parts Weight: 0.2 lbs Dimensions: 2.25 x 0.625 x 0.625in Model: 1500D, 2500D Obsolete Part: This item is non-returnable and we offer no refunds Price $33.52 Quantity - + Total $33.52 - + Add to cart Additional information Additional information Weight 0.2 lbs Dimensions 2.25 x 0.625 x 0.625in Model 1500D, 2500D Obsolete Part This item is non-returnable and we offer no refunds