Features: 1. CORROSION RESISTANT PLASTIC: Made of durable plastic material, lightweight, strong, and resistant to corrosion for long service life 2. SUITABLE HOLE DIAMETER: Designed with an optimal hole diameter to allow easy water inlet, promoting more uniform pool water flow 3. SOLID SEALING: Features an external plug-in interface; when installing the PVC pipe into the water outlet, secure the connection with glue for a stable and reliable seal 4. EASY INSTALLATION AND REPLACEMENT: Swimming pool drain cover is simple to install and replace, ideal for replacing worn or damaged parts 5. ADJUSTABLE FLOW CONTROL: Equipped with an adjustable built-in screw to control water flow size, offering flexible and convenient operation Specification: Item Type: Swimming Pool Drain Cover Product Size: Approx. 10.5 x 6 cm / 4.1 x 2.4 in Cylindrical Outer Diameter: Approx. 5.6 cm / 2.2 in Material: Plastic Purpose: Suitable for swimming pools, hot tubs, spas, and similar applications Weight: 95 g / 3.4 oz (approx.) Package List: 1 x Swimming Pool Drain Cover