... QTY 100pcs. with Spain SEDAL Ceramic core PF-1001Kitchen Faucet tap mixer,single lever, monoblock mixer,with pull-out spray,Min ... operation, alignment among various parts, size, weight as well as flow and leakagein addition to the point mentioned above. Pressure test ... manufacturing ranging from 75 PSI to 300PSIsteel PF-1001Kitchen Faucet tap mixer,single lever, monoblock mixer,with pull-out spray