【 Standard 】 304 stainless steel/with water inlet pipe - brushed (mid-range configuration) | [Market model] 304 stainless steel - brushed (low configuration for rental) | [Quality model] 304 stainless steel/with water inlet pipe - brushed (high configuration household recommendation). | 【 Standard 】 304 stainless steel/with water inlet pipe - Black (mid-range configuration) | [Quality Model] 59 refined copper/with water inlet pipe - black (high configuration household recommendation) | [Quality model] 59 refined copper/with water inlet pipe - electroplating (high configuration household recommendation) | [Market model] 304 stainless steel - black (low configuration for rental) | [Quality model] 304 stainless steel/with water inlet pipe - black (high configuration household recommendation). | 【 Standard 】 304 stainless steel/with water inlet pipe - Electroplating (mid-range configuration) | [Quality model] 59 refined copper/with water inlet pipe - Nickel wire drawing (high configuration household recommendation)