Extra Dispensing Valve for FIFO Squeeze Bottles - Pack of 6 - Replacement for Dispensing End (Standard - Medium) Extra Yellow Medium Standard size Dispensing Valves for FIFO Squeeze Bottles - Pack of 6 - Replacement for Dispensing End All our FIFO products are NSF Certified & BPA Free. Fits all sizes of Clear Lake - Fifo Bottles These caps come in 3 sizes and allow 3 different viscosities of sauces for easy squeezing Available sizes: Small Flow, Standard Medium Flow , and Large Flow These Standard size Medium caps work with a wide range of sauces