99 percent selective membrane economical solution pressurized side present benefits eliminate pollutants pure solvent limited access families access cooking drinking emergency situations patient care healthcare essential institutions guarantees popular option waterborne illnesses lowers expenses upkeep economical restaurants hospitals industrial spaces appearance ideal bigger particles quick synopsis color taste remove salts smaller components pores holes applying pressure large molecules water purification water sources forcing water water ensuring purify water drinking hospitals waters flavor smell clean drinking water small communities schools downtime energy efficiency dissolved solids enhances