Laguna Replacement O-Rings for Laguna PowerClear Multi voyager stream pump Flourite Dark is not chemically

Flourite Dark is not chemically coated or treated and will not alter the pH of the water

Adjustable flow output with attachable spray bar distributes a gentle

and humidity can be easily increased using the included USB humidifier and built-in hygrostat

It is the proper size for feeding many species of soft corals (particularly those with short tentacles)

AQUA ESSENTIAL water conditioner instantly removes toxic ammonia

Laguna Replacement O-Rings for Laguna PowerClear Multi voyager stream pump Flourite Dark is not chemicallyThe Laguna Replacement O Rings are suitable for the Laguna PowerClear Multi 3500 L 1,000 US gal. (PT1817) and the Laguna PowerClear Multi 7000 L 1,500 US gal. (PT1818). There are three O Rings in a pack. Size of O Rings : 1 inch (25 mm).