Regent Imperial Ultracarb Water Filter.
Price $299.00
Regent Imperial Dual Water Filter
Price $389.00
Ultracarb cartridge capacity for lead reduction is 2000 gal./7600 L. 1.4 GPM flow rate at 45 psi/ 3 bars.
Doulton Ultracarb ceramic element specifications (in pdf).
Doulton Ultracarb ceramic cartridge detailed filtration data sheet (in pdf).