Description Set of 4 Magnaflex Round body standard liners, Narrow Bore for Bou-Matic Stainless Steel Shells Replaces Maes inflation Made in USA by Coburn Replaces: BouMatic R-1 and R-1C Meltec 4999-1100-031 GEA Number 4999-3025-204 Coburn Mag302 Ezee 25086 Conewango IB-LB MilkRite 400M Replacement liners for Bou-Matic (R) stainless shells (new and used shells in stock) One Piece replacement liner for Bou-Matic. Fast clean milkout with improved mouthpiece for long life. Replaces R-1 and R-1C set of 4 Vented version available Fits BouMatic stainless steel shell listed at link below In stock options for Bou-Matic Stainless Steel shells BouMatic Original Liners (non vented listed - vented available by special order per case of 100) 8595352 Turbo 350TL Triangle Shaped liner for low vacuum level, mid level production, works well with cross breeds and colored cows, patented mouth piece for reduced slippage and better teat end massage (non vented) 8593243 Turbo 450TL Triangle Shaped liner for low to mid range vacuum levels, designed for high yielding fast milking cows, patented mouth piece for reduced slippage and better teat end massage (non vented) 8587556 Magnum 400M Round Shaped Liner