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AQUAVITA RO4 DEMI PRO is a professional premium RO/DI system that provides completely demineralized water with zero TDS, ideal for the most demanding marine and freshwater aquariums.
AQUAVITA RO4 ACOM PRO MB400 is an original, fully professional aquarium filter, designed for the production of completely demineralized water (RO/DI). The system is equipped with Pentair Water 75 GPD (USA) osmotic membrane, of the highest quality.AQUAVITA BPA FREE inserts and removable DI cartridge with MB400 resin, making it a PRO class solution for the most demanding aquarists.
The set is primarily dedicated to marine aquariums (reef) and freshwater aquariums, wherever full control is essential.water parameters: zero TDS, low conductivity, low pH, and almost zero nitrogen compound content.

RO4 system (RO + DI) – perfect water even for the most demandingtanks
increased efficiency due to the use of 10-inch bodies
front panel with external connections – convenient installation and service
components BPA FREE, PHTHALATE FREE
removes up to 99% of all impurities
ideal for water changes, top-ups ATO, and salt preparation
High-quality polypropylene non-woven filter insert:
removes sand, silt, rust, and mechanical deposits
very high pollutant absorption
protects subsequent filtration stages
Has certifications PZH, TÜV, BPAFREE, PHALATE FREE.
Professional activated carbon sintered cartridge:
removes 98–99% free chlorine
eliminateschlorinated solvents
reduces pesticides, phenols, benzene, and organic compounds
improves the smell and quality of water
An essential element of osmotic membrane protection.
Certifications: PZH, TÜV, BPA FREE, PHALATEFREE.
Professional, ready-to-use mixture of anion exchange resin and cation exchange resin:
removes residual contaminants after RO
ensureszero TDS
replaceable cartridge – refillable option
fits standard 10” housings
Used in both aquaristics and laboratory installations.
Premium class semi-permeable membrane:
filtration efficiency 96–99%
removes salts, heavy metals, organic and inorganic compounds
retains particles up to0.01 microns
performance: up to 270 l/day*
* with appropriate feed water parameters maintained
complete system AQUAVITA RO4
membrane Pentair Water 75 GPD (USA)
sediment filter FCPS20 AQUAVITA
carbon filter FCCBL10 AQUAVITA
DI resin filter MB400 Purolite (dismantlable)
I will include the sewage (drain)
drainage restrictor
water connection 1/2", 3/8" or 3/4"
5 meters of tubing
mounting accessories set

Height: 39.5 cm
Width: 38.5 cm
Depth: 15 cm
marine aquariums (reef, SPS, LPS)
freshwater aquariums
automatic top-offs
preparation of salt
laboratories and cosmetics
steam irons
Professional RO/DI system for aquarists who expectabsolute purity of water
AQUAVITA RO4 DEMI PRO is a professional premium RO/DI system that provides completely demineralized water with zero TDS, ideal for the most demanding marine and freshwater aquariums.