![Hydroviv Tailored Tapwater 5 Stage City-Specific Drinking Water Filtration System : Amazon.in: Home Improvement Hydroviv Tailored Tapwater 5 Stage City-Specific Drinking Water Filtration System : Amazon.in: Home Improvement](https://m.media-amazon.com/images/I/61I9ZJRcz-L.jpg)
Hydroviv Tailored Tapwater 5 Stage City-Specific Drinking Water Filtration System : Amazon.in: Home Improvement
![I'm trying to install a Hydroviv water filter under my kitchen sink, but I'm not sure which one is my main water line. The water turns off from the main faucet via I'm trying to install a Hydroviv water filter under my kitchen sink, but I'm not sure which one is my main water line. The water turns off from the main faucet via](https://i.redd.it/im-trying-to-install-a-hydroviv-water-filter-under-my-v0-0l1817h8aroa1.jpg?width=3024&format=pjpg&auto=webp&s=7411f3f1f4c62dc16a52698d5fa197e10c68b575)
I'm trying to install a Hydroviv water filter under my kitchen sink, but I'm not sure which one is my main water line. The water turns off from the main faucet via
![Wanting to install Hydroviv water filter to cold line under my sink but I need to know what the black connection circled in green is and will that interfere with the filter. Wanting to install Hydroviv water filter to cold line under my sink but I need to know what the black connection circled in green is and will that interfere with the filter.](https://preview.redd.it/wanting-to-install-hydroviv-water-filter-to-cold-line-under-v0-wv5ef1lwm3ba1.jpg?width=640&crop=smart&auto=webp&s=e3eaddd3fa049a0e6266466c70551daa5af366ee)