Mendo MulchersGrinders w/ Screen. 3" large grinder with screen. Price: $70.99. 2.25" med. grinder w/ screen. Price: $55.99. 2" vape grinder with screen. Price: $50.99.mendo mulcher grinder,Mendo Mulcher Aluminum Billet 2 Piece Double Grip GrinderBuilt well, made by real Americans, this is the real deal when you buy a Mendo Mulcher. So much so, it's warrantied for life. Made from tough billet aluminum.