• How to Install & Work
• 1. Cut the middle of the airline then attach two airline points to two regulator connector points.
• 2. In its simplest form, a flow control valve is little more than a tube with a screw in it.
• 3. If you unscrew the valve all the way, air can freely move through the valve without restriction…
• 4. As you begin to turn the screw, it begins to block off the airline. The more you turn the screw, the smaller you make the gap through which air passes…

Item Name: Aquarium Air Line Air Flow Controller Valves Switch.

Quality: High-Grade.

Used For: Aquarium/Air pump.

Material: Plastic.

Size (Approx.): 5 x 3 x 1cm (L x H x W)

Color: White.

Item Weight: ‎5 Grams (per piece).

• Helpful to control oxygen and CO2 flow.
• Included pictures are self-taken (ORIGINAL PICTURES).