Feature: 1. Premium Replacement: If the original black plug inside your hot tub deteriorates or falls off, this reliable rubber plug serves as the premium replacement, providing long term usage and extended lifespan. 2. Ease of Use: Attach the plug to the inside inlet and outlet points. This ease of installation and removal simplifies maintenance procedures, saves you time and effort. 3. Prevents Water Flooding: The hot tub hole plug will prevent water from flooding your lawn or surrounding areas when you disconnect the filter pump. 4. Essential for Disconnection: This plug is absolutely necessary when you need to disconnect the heating pump, or if you're packing up an inflatable hot tub for the season. 5. Spare Part: These plugs also serve as handy spare parts for inflatable hot tubs. It's always a great idea to have extra ones on hand, ensuring your hot tub's longevity and performance aren't hampered. Specification: Item Type: Inflatable Hot Tub Hole Plug Material: Rubber Size: Approx. 57x49mm / 2.2x1.9in, Cap: 40mm / 1.6in Application: for inflatable hot tub hole Weight: Approx. 76.00g / 2.68oz. Package List: 4 x Hot Tub Hole Plug