Mindblown: a blog about philosophy.

APEX DI-1000 Aquarium Deionization Color Indicating Cartridge.Fits standard reverse osmosis housings.Color changing DI resin indicates when to change cartridgeshttps://apexwaterfilters.com/shop/replacement/aquarium-parts-replacement/aquarium-filter-cartridges/apex-di-1000-deionization-color-indicating-cartridge/

MP-20R Magnetic Drive Circulation Water Pump Magnetic drive circulation motor water pressure booster pump is fully sealed pump, for motor connecting shaft and impeller are separately equipped with magnetic materials, they attract each other and coupled.https://apexwaterfilters.com/shop/pump/apex-mp-20r/