Rain drumming on green bamboo — cool, clean, and quietly alive. Rainwater & Bamboo is the fresh-air scent for people who don't want their home to smell like perfume. Slide this Plug Hub™ refill into your warmer for steady, true-to-nature fragrance in medium rooms. Liquid-free and recyclable by design, so it never spills, never leaks, and never leaves an oily ring on the outlet.