Surround S1000 HEPA Ultra uses the following replacement parts:
HEPA and Prefilter is washable and lasts about 2 years, depending
on volume of particulate. $19
TiO2 lasts 12 months or less, depending on amount of pollution. $13
Carbon Filter lasts 12 months or less, depending on amount of chemical
pollution. $14
Ultraviolet (UV) Lamp lasts 1 year. $14
XJ-3000C/D/E/F Replacement Filters and Lamps
Surround
models XJ-3000 C, D, E and F all share the same filter (HEPA, carbon
and anti-bacterial prefilter) and UV lamp.
HEPA/Carbon Filter lasts roughly one to two years, more or less,
depending on the pollution problem. If the unit is used for smokers
or high chemical or particulate pollution, expect the filter to last
three to six months. $36
Anti-Bacterial Pre-Filter is washable and does not need to be replaced.
Wash by hand with mild soap and rinse thoroughly.
Multi-Tech Intelli-Pro Replacement Filters and Lamps
Surround
Multi-Tech Intelli-Pro uses these parts:
HEPA/Carbon Filter lasts roughly one to two years, more or less,
depending on the pollution problem. If the unit is used for smokers
or high chemical or particulate pollution, expect the filter to last
three to six months. $36
TiO2 lasts 2-3 years, depending on amount of pollution.
$19