WaterChefÂ® Premium Countertop Filter Cartridges. Combining the power of solid carbon block filtration with a unique, proprietary blend of additional filter medias, WaterChefâs innovative Big Blockâ¢ Filtration technology maximizes contaminant reduction and delivers up to 1,000 GALLONS (3,785 L) of freshly filtered water with a single cartridge!
Definition provided by Wikipedia. Student-teacher ratio refers to the number of teachers in a school or university with respect to the number of students who attend the institution. For example, a student teacher ratio of 10:1 indicates that there are 10 students for every one teacher. The term can also be reversed to create a teacher-student ratio.
DEFINITION of 'Housing Expense Ratio'. A ratio comparing housing expenses to before-tax income that is used by lenders to qualify borrowers for a mortgage. The housing expense measure includes mortgage principal, interest payments, property taxes, hazard insurance, mortgage insurance and association fees. The limit is generally 28%. It is sometimes referred to as the front ratio.