Penitue 4pcs Scupper Flapper Replacement Kit for TH Marine FSRK-3-DP, 1-1/2" & 1-3/4" Boat Scupper Flappers Drain Valves for Stainless Steel & Plastic Hulls Repair

["Product List: You will receive 4 sets of scupper flappers, including 2 sets of baffles for 1-1/2 inch standard hull drain holes and 2 sets of baffles for 1-3/4 inch standard hull drain holes, along with stainless steel screws. The complete kit will meet your maintenance needs.","Product Material: The scupper flapper is primarily made of good-quality PP material, which is sturdy, wear-resistant, and not easily deformed, capable of withstanding harsh marine environments for extended periods without damage.","Easy Installation: Simply remove the old baffle, clean the installation area, select the appropriate size, install the retainer and screws, and securely fasten it to the drain hole.","Practicality: The contoured design conforms to the drain hole seat, preventing backflow to keep the tank dry, and features a secure seal and anti-backflow function.","Compatibility: Directly replaces TH Marine FSRK-3-DP drain valves. Please note that our products are not sponsored, endorsed, or affiliated with any brand, including TH Marine FSRK-3-DP."]