Designed for outswinging wood or metal screen or storm doors 1 to 1-1/4 thick. Complete with night lock. Contemporary design with tie-down screw at bottom of handle. 1-3/4 hole centers. Material: Zinc, Color: Black, Door Thickness: 7/8 to 1-1/4.
Therefore the presence of nitrites in urine is generally an indication of the presence of a urinary tract infection. A urinary tract infection may occur when the bacteria enter the urinary system through the bloodstream or via skin contact of the urethra with bacteria during urination.he results of a urinalysis identify and verify a number of different parameters, and nitrites in urine is one of them. Nitrites in urine is a condition that is different from nitrates in urine. The content of nitrates in urine is quite low.
Another cause of nitrates to appear in urine is bacteria. Some bacteria cause a urinary tract infection (UTI) that induces a chemical reaction in the body to make an enzyme that changes urinary nitrates to nitrites. See more on urine nitrites.itrates are molecules and chemical compounds. As a chemical compound, it is one nitrogen and 3 oxygen atoms together. The reason they are important when measured in urine is that they have a negative acidic charge of -1. An imbalance of positive or negative acid in urine is an indicator of a possible metabolic issue.