- High quality siliconized smooth gasket, and L gasket for enlarged holes.
- seal with small amount of 100% silicone caulk.
- Goes on inside of shell to compress and seal.
- Use silicone on back side threads as well.
- MFG # 23501-001-090 (smooth), and 23501-000-030 ( L style).
- Choose style in drop down menu.