Lasco 1429-131 Insert Reducing Coupling (1" x 3/4") is a durable PVC insert fitting engineered for irrigation and plumbing applications. Its insert x insert design provides a secure, low-profile transition between 1-inch and 3/4-inch polyethylene tubing. Material: Durable PVC/poly construction suitable for irrigation use; corrosion- and chemical-resistant. Sizes: 1" x 3/4" (insert x insert) - compatible with standard polyethylene tubing. Installation: Push-in insert connection; secure with stainless steel gear clamps or irrigation crimp clamps. Applications: Sprinkler systems, drip irrigation, hose repair, and low-pressure plumbing. Part numbers/SKU: Lasco 1429-131, SKU 1429131. Sold individually; check quantity options. Choose this reducing coupling when you need a simple, reliable reduction between 1" and 3/4" polyethylene lines. Confirm tubing ID and select clamps appropriate for pressure and use.