As one of its daily deals, Home Depot takes up to 20% off a range of Pelican Water filtration systems and water softeners, with prices starting from $551.65. Plus, all of these items bag free shipping. Deals end today. A couple of best bets:

• Pelican Water 10-GPM Whole House Carbon Water Filter System for $671.20 (low by $134)
• Pelican Water NaturSoft Salt-Free Water Softener System for $1,511.20 (pictured, low by $469)