Closing the Loop: Systems Thinking for Designers

Kitchen sink filter, 2-piece rotatable kitchen sink filter with 100 mesh filter bags, drain rack, sink food collector filter holder (white + green with 100 mesh bags)

Kitchen sink filter, 2-piece rotatable kitchen sink filter with 100 mesh filter bags, drain rack, sink food collector filter holder (white + green with 100 mesh bags)

Kitchen sink filter, 2-piece rotatable kitchen sink filter with 100 mesh filter bags, drain rack, sink food collector filter holder (white + green with 100 mesh bags)

1PC NEW RO program controller Conductivity control ROS-2210 reverse osmosis controller (Model 2)

Hair Strainer Shower Drain, Brushed Square Floor Drain with Removable Cover - Ideal for Kitchen, Bathroom, Garage, and Basement - Easy to Clean Drainage(30cm(11.8Inch))

Water Softener Pillow, Stabilizes Water Environment Aquarium Water Softener with Fine Mesh Filter Screen for Fresh Water for Seawater

Linear Shower Drain 304 Stainless Steel, Rectangular Deodorizer Waste Drain with Large Outfall, Brass Magnetic Deodorization Valve, Fast Drainage, for Bathroom, Kitchen, Pool, 600x55mm

Complete Water Filtration System Kit .5 Micro Dual-Stage with Dedicated Faucet - Made in The USA