# PiTec O-ring + silicone grease

> Original MAUNAWAI O-ring and silicone grease for PiTec under-sink systems. Recommended at every cartridge change for secure seal.

---
[https://www.maunawai.com/gb/en/p/buy/pitec-o-ring-silicone-grease](https://www.maunawai.com/gb/en/p/buy/pitec-o-ring-silicone-grease)