Top: 3/4" hose fitting   Bottom: 1/2'' threaded male 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. Pre-filtering is the easiest way to balance your chemicals from the start, reducing usage & saving you money! Great for top-offs or entire fills- a MUST for those with well water!   BUY MORE, SAVE MORE - With so many uses, keep extra on hand with 2 or 4 Packs! Ion Exchange technology to soften, purify & decontaminate* Removes common hard water minerals including calcium, magnesium, iron, lead & copper as well as lime scale, chemical contaminants, algae, mold spores, bacteria, organic debris TOC's, VOC's, chlorine by-products & suspended solids Filters up to 8,000 gallons, removing up to 99% of contaminants & hard mineral deposits 3/4" hose fitting at top, 1/2'' threaded male connection at bottom By Guardian Filtration Products - PRER8000    * Please note: Max Clear™ Ion Exchange Pre-Filter is intended to remove MOST common hard water minerals & impurities, making chemical balancing easier. Filter will not completely purify heavily contaminated or overly problematic water • Not intended for filtration of potable water