Whether your washer and dryer are in a dank corner of your basement or in their own bright room off your bedroom suite, let’s face it: The work that is done in that space keeps your household humming along. Most of us buy detergent and softener, and don’t give much thought about other items that will make washing and drying our household textiles simpler and safer. Following are some terrific products that will help your laundry appliances—and your clothes—last for a long time to come.