SDS UV range is mainly for commercial use which is perfect for commercial use, such as swimming pool, hotel, school etc. it comes with a stand which can be wall mounted. REQUIREMENT Maximum operating pressure: 8bar (116 psi) Ambient water temperature: 2 - 40 ℃ (36 - 104 ℉) Iron < 0.3ppm (0.3 mg / L) Hardness < 7gpg (120 mg / L) Turbidity < 1 NTU UV transmittance > 75%