Heating, Cooling & Air Quality

Protects appliances and plumbing from harmful sediment. Large Capacity 4.5" x 20" Filter Cartridge with 5 Micron Filtration. Recommended cartridge replacement every 12 months or as needed. Filter Housing with Patented Bacteriostatic Technology. 20 GPM Max flow rate. 125 PSI Max pressure. 1" NPT Female...

Specialized testing for 14 PFAS compounds by EPA 537.1 for one (1) drinking water sample. This RKIN test package, in collaboration with SimpleLab, provides all required materials to properly collect and submit a sample for certified laboratory testing. Reported results will include a detailed,...

The Epic Smart Shield Under Sink Water Filter delivers powerful, long-lasting filtration without the cost or hassle of hiring a plumber. Certified to NSF/ANSI Standards 42, 53, and 401 by IAPMO, it installs in about 15 minutes and connects directly to your existing cold...

The Smart Shield Max is our most advanced under-sink water filter, designed to deliver powerful filtration for today’s tap water contaminants without the cost or hassle of a whole-home system. Powered by our patented CoreXchange™ dual-layer technology, it combines advanced filtration performance with a...

The Pure XP Water Filter Pitcher is an affordable, convenient way to enjoy cleaner, better-tasting drinking water at home. Ideal for first-time filtration users, apartment dwellers, and smaller households, it requires no installation and fits easily in refrigerators, making it a simple solution for...

The Pure XP Water Filter Dispenser is designed for families and high-volume water users who want powerful filtration with fewer refills. Its large-capacity design provides plenty of filtered water for drinking, cooking, filling reusable water bottles, making coffee and tea, preparing baby formula, and...

The Smart Shield Max is our most advanced under-sink water filter, designed to deliver powerful filtration for today’s tap water contaminants without the cost or hassle of a whole-home system. Powered by our patented CoreXchange™ dual-layer technology, it combines advanced filtration performance with a...

*Back in stock Mid August* The Nano XP Water Filter Pitcher is one of our most advanced pitchers yet, engineered for faster flow, powerful filtration, and everyday convenience. Featuring an innovative dual-layer nano pleated filter with twice the surface area and up to a...

Air Purifiers Enjoy cleaner air with peace of mind, knowing that RKIN AH-14 and AH-14-PRO remove up to 99% of airborne pollutants, including PM2.5 particles, allergens, bacteria, and more. Enhanced purification with Hepa 14, Carbon, UV Disinfection, and Negative Ion (Anion) technology Variety of...

WH-AZLPNG-PRX Experience unlimited hot water with the WH-AZ53-180-LPO, a Propane Outdoor tankless water heater. Boasting 180,000 BTU power, this system provides energy-efficient, on-demand heating for maximum convenience. Designed for durability, it features a Wired Remote Control for effortless temperature adjustments and built-in Anti-Freezing Protection...

WH-AZ01146-PRX Get hot water on demand right when you need it and only when you need it. Our tankless water heater doesn’t pre-heat and stores water like conventional models, so it uses less energy. The heat-on-demand design gives you an endless flow without the...

WH-AZ0635-PRX Get hot water on demand right when you need it and only when you need it. Our tankless water heater doesn’t pre-heat and stores water like conventional models, so it uses less energy. The heat-on-demand design gives you an endless flow without the...

WH-AZ0M3-PRX Get hot water on demand right when you need it, and only when you need it. Our tankless water heater doesn’t pre-heat and store water like conventional models, so it uses less energy. The heat-on-demand design give you an endless flow without the...