The Pentek P5-478 filter cartridge fits the following:
The Pentek P5-478 Spun Polypropylene Filter - 5 Micron is a 5 inch water filter constructed with spun bonded polypropylene that provides superior chemical and bacterial resistance. This spun water filter fits standard 5 inch housings and the Culligan US-316 filtration system. This 5 micron water filter provides superior sediment filtration at an affordable price. This polypropylene water filter is also known as Pentek part number 155030.
Pentek P5-478 Spun Polypropylene Filter - 5 Micron specifications:
The Pentek, Ametek, US Filter P5-478 fits the Culligan US-316 filter housing and other housings that require 5 inch filters.