NEW FILMTEC RO MEMBRANE 100 GALLON PER DAY 100 GPD- CASE OF 25 FILTERS
(Ensures it is a New and Genuine Filmtec product). Filmtec Model #: TW30-1812-100HR. FILMTEC TW30-1812-100HR. For best results the TW30-1812-100HR should be changed every 2 to 5 years based on water quality and usage.