Amazon has the 20-Pack 3M N95 Particulate Respirators (50051138464573 8210) for $11 with free shipping for Prime members or on $25+. Has excellent Amazon Reviews.
Amazon has the 3M Aqua-Pure Whole House Water Filtration System (AP903) for $99 with free shipping. Has excellent Amazon Reviews.
Walmart has the Marvel Avengers Thor's Hammer 44-Pc. Tool Set (14421) for $65 with free shipping. List price: $100. Features 13 oz. claw hammer, 10 foot tape measure level, 2-in-1 stubby ratchet screwdriver with 6 bits, 6" pliers, 40Cr quick-release ratchet wrench, 4" folded knife (with 5 replacement blades).