Active Aqua Air Pump 8 Outlets - 12W, 25 L/min giftguide The galvanized steel body is

The galvanized steel body is finished with a zinc coating that aids in its resistance to corrosion and high temperatures

Coverage: 3 x 3 ft

Makes 20 x 2 cm (3/4 inch) soil blocks with indentation for small seeds

controlled release

Active Aqua Air Pump 8 Outlets - 12W, 25 L/min giftguide The galvanized steel body isThis air pump has 8 outlets with multi level muffler and low power consumption. Special artificial rubber to keep a steady air flow output and pressure that can be adjusted freely. Rated at 400 GPH. 12W, 25 L min. Features Super silent with multi level muffler Special synthetic rubber diaphragm provides consistent airflow output which can be easily adjusted with the pressure dial. Low power consumption Accepts 1 4" Tubing