Pre Pleat HV air filters are designed to operate in high velocity and turbulent air applications where standard pleated filters tend to fail. Pre Pleat Class 1 air filters are designed for applications where a UL Class 1 fire rated filter is required and metal frames are unsuitable. Pre Pleat HT air filters are designed for applications where the temperatures reach up to 500 oF.
Noun [edit]. calf â(plural calves or calfs). 1  A young cow or bull. 2  Leather made of the skin of the calf; especially, a fine, light-coloured leather used in bookbinding. 3  A young elephant, seal or whale (also used of some other animals) . 4  A chunk of ice broken off of a larger glacier, ice shelf, or iceberg.
1 Heifer is a female bovine that has not had a calf. 2  Heifer calf is a female calf. 3  Steer is a castrated male bovine or can be a future ox that is less than 4 years old. 4  Ox is castrated bull that has been trained to work and is at least 4 years of age.ivestock are animals kept by people for use or pleasure. 1  Bovine is a term relating to cattle. 2  Caprine is a term relating to goats. 3  Equine is a term relating to horses, mules, zebras, and asses. 4  Herd is a grouping of a single species of livestock. 5  Ovine is a term relating to sheep. 6  Porcine is a term relating to swine.