Top: 3/4" hose fitting   Bottom: 1/2'' threaded male  fine threaded connection   Connect to any standard garden hose for many uses - filling pools, spas, hot tubs, and ponds, outdoor pet baths, spot-free car washes, watering gardens & more. Remove heavy metals & other contaminants before they get in your pool, spa, or other backyard or household investment. Activated carbon helps balance water chemistry from the start - saving you money! Great for top-offs and entire fills.   BUY MORE, SAVE MORE - With so many uses, keep extra on hand with 2 or 4 Packs! Removes scale, iron, lead & other metals, chloramines, hydrogen sulfide & other contaminants including odor causing organics* Reduces hard mineral deposits & suspended solids Filters up to 8,000 gallons 3/4" hose fitting at top, 1/2'' threaded male connection at bottom By Guardian Filtration Products - PREC8000    * Please note: Max Clear™ Carbon Pre-Filter is intended to remove MOST common mineral deposits & impurities, making chemical balancing easier. Filter will not completely purify heavily contaminated or overly problematic water • Not intended for filtration of potable water