Durable 304 Stainless Steel Soap and Lotion Dispenser Pumps Kitchen Soap Dispenser Pump Replacemen Fit Standard 8oz 16oz Boston Round 28 400 Neck Bottles 2 Pack

Specification: Brand new material: Stainless steel,fit for 26~27 mm bottles.  How to use : 1?Prepare a bottle, extension tube and a pump. 2?Insert the extension tube into the pump. 3?Cover the bottle and tighten it.  Package Contents: ? 2 Stainless Steel Pumps ? 2 Tubes?two 3.9"  and two spare 7.9"?  NOTE? ? Will this fit my bottle? You can check by taking a cap off a"2-liter soda bottle" and see if that sizes fits your bottle.Otherwise, it will NOT fit. ? Due to the hand measurement, there have size error about 1-2 cm. ? Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.  Disclaimer: ?Stainless steel was originally misnamed [that’s marketers for you]. It is highly corrosion resistant, but even stainless steel can develop damage if some strong chemicals are involved or if left soaking in a mixture with acidic material. See Wikipedia article on stainless steel for further information. ?Please note that this is not a suitable replacement for built-in soap dispensers mounted on a sink, but better suited for bottles and other counter top dispensers. This also may not work for smaller counter top dispensers with smaller threads. If in doubt - check with a cap from a 2 liter soda bottle to test compatibility.