Availability The Pure XP Pitcher and Filter officially launched on February 11th, with replacement filters recommended every ...

A closeup electron microscopy image of activated carbon, like those found in water filters. Credit: Dr. Mark Gale Activated carbon filters have become common household items as water filters in ...

Researchers at the University of Delaware have transformed discarded corn cobs and other agricultural byproducts into high performance biochar filters that capture both ammonia and tiny plastic ...

Environmental chemists and waste‑management engineers are drawing new attention to an old form of litter: cigarette filters made from cellulose acetate. Recent peer‑reviewed work in ...