About product and suppliers:
            1,037 spectrum hr products are offered for sale by suppliers on Alibaba.com, of which grow lights accounts for 9%, led grow lights accounts for 2%, and herbal extract accounts for 1%. 

A wide variety of spectrum hr options are available to you, such as lighting and circuitry design, project installation, and dialux evo layout. You can also choose from 2-year, 3-year, and 5-year spectrum hr, as well as from seed starting, bloom, and veg spectrum hr, and whether spectrum hr is ce, ccc, or etl. 

There are 238 suppliers who sells spectrum hr on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, from which the percentage of spectrum hr supply is 4%, 89% respectively.