A Static Favorites List is created by adding items to your list from Search and/or Browse results, product detail pages, and previous orders and invoices. You can also upload your list using the Excel template provided on the "Favorites List Management" page.
A Dynamic Favorites List is automatically created from your purchase history based on the timeframe, ship-to name, and product categories you want included. This list updates each time you open it based on the criteria selected.
Isolate difficult pressure problems in natural gas and propane systems. Providing a differential measurement, the DDM55 accurately tests for leaks in low pressure gas systems and more. Left port is for negative pressure and the right port for positive pressure.