Under The Sink RO Water Purifier, 6 Liter Aquaguard Select Designo UTC 8L RO + UV + MTDS Water Purifier with Biotron Technology (White) vs Aquaguard Superio 6L RO Water Purifier with Mineral Guard ...
D2 tells you that it is B4. 7.) According to B4, neither B2 nor D4 is grey. Neither of them is white either, according to A3. Therefore B2 and D4 are black. 8.) According to A5 and D2, the only box ...