NEW MAC 6500B-511 VALVE BASE 6500B511$50.00 Out of stock SKU: 352777678484 Category: Other Description Additional information Description NEW MAC 6500B-511 VALVE BASE 6500B511NEW, NO BOX B3/S51 BB Additional information Weight 4.00 lbs MPN 6500B-511 Brand MAC We Buy New and Used Surplus Inventory - Sell to Us