Use these when converting your homemade trays. Reversible overflow allows for 1.5 inch flood or 3 inch flood levels. One-inch paddle bit will drill a perfect hole for these high quality fittings. Essential for passive hydro systems and beneficial for all. Use small pump with nutrient tanks of 10 gallons or less, larger pump for larger reservoirs.
Large pump features dual outputs.
1 year limited warranty. Purchase air bubbler below. Air Bubble Cascade Air bubblers are similar to air stones except that they produce more vigorous bubbling action. Eight inches in length, oxygenated bubbles are spread more evenly throughout your reservoir. Available in 8 inch and 23 inch lengths.