 Worried about forever chemicals in your tap water? Ask Enting about our reverse osmosis drinking water system. We've been providing area residents with American-made, date-assembled water softeners, filters, and drinking systems since 1965. Learn more at enting.com. Sneezing, coughing, stuffy nose, runny nose, post-nasal drip, interrupted sleeping. I just, I was groggy at the end of the day.