Ona Block Fresh Linen -- 6 oz Drains Breaks down the scale -

Breaks down the scale - Keeps irrigation systems in pristine condition

and better resilience through transplanting and environmental swings

so it circulates hard on a light power draw

2 µmol/J efficacy from top-bin OSRAM SSL diodes

Ona Block Fresh Linen -- 6 oz Drains Breaks down the scale -The ONA Block Fresh Linen is ideal for small areas such as closets, foyers, attics, cars, gym bags, boats, kitchens, garbage cans, cupboards or vents. Simply remove the cap, or punch several small holes in the cap and place in desired location. The ONA Block measures 3" x 3" and will fit in most places. The ONA Block will release its powerful odor neutralizing agent and keep the location free from undesirable odors. Replace as necessary.