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Your first choice
cat litter box

The best cat litter box system in the world

Guaranteed odour-free thanks to the litter box with the patented double bottom and unique, compressed wood pellets

Why Choose Us

Two solutions, one mission

Rein Biotech combines natural materials with smart design.

Wood Pellets

High-Absorbing Eco Litter

Our Swedish wood pellets neutralize odors naturally and absorb up to 15x their volume without any chemical additives.

Cat Litter System

Odor control that actually works

The smart double-tray system ensures dry paws and separates waste, so you only smell freshly sawn wood.

Natural Cat Litter

Wood pellets that keep your home fresh and clean

Made from pure Swedish sawdust, our pellets instantly neutralize odors and absorb moisture. Perfect for keeping paws dry and your home free of unpleasant smells.

Eco-friendly

Sourced from FSC-approved forestry and processed without glue or chemical additives.
100% biodegradable.

Superior Absorbency

Absorbs up to 15 times its own volume to lock away moisture and ammonia odors instantly.

Smart

Intelligent litter systems that keep homes fresh

Our double-tray system uses a unique sieve design to separate waste instantly. Your home stays clean, and your cat stays healthy.

Eco-friendly

Sourced from FSC-approved forestry and processed without glue or chemical additives.
100% biodegradable.

Cat Health

Made from non-toxic, eco-friendly materials that are safe for all cats.

Eco Wood Litter & Scoop

100% biodegradable pellets made from pure Swedish sawdust. They absorb 15x their volume for a dust-free, naturally fresh home.

PW001

Eco Wood Litter 5L/3kg

PW002

Eco Wood Litter 14L/9kg

PW080292

Poopoo Scoop

EcoBasic & EcoClassic

A hygienic double-tray system designed to keep paws dry. Made from durable, eco-friendly plastic for easy cleaning and zero waste.

PW080193

Red/White
52Lx36Wx23H cm

PW080026

EcoClassic - Red
58Lx50Wx23H cm

PW080049

EcoClassic - Pink 58Lx50Wx23H cm

PW080056

EcoClassic - Orange 58Lx50Wx23H cm

EcoMinor

The perfect open litter box for average-sized cats. Features our smart sieve system to ensure clean paws and neutralize odors naturally.

PW080537

EcoMinor, Black/Anthracite
56Lx39Bx28H cm

PW002

EcoMinor, Anthracite/Grey
56Lx39Bx28H cm

PW080544

EcoMinor, Brown/Ivory
56Lx39Bx28H cm

EcoHûs

Designed for privacy with a smart double-layer system. Keeps litter inside and odors neutralized for a cleaner, healthier living space.

PW080506

EcoHus, Black/Anthracite
56Lx38Bx39H cm

PW080513

EcoHus, Anthracite/Grey
56Lx38Bx39H cm

PW080520

EcoHus, Brown/Ivory
56Lx38Bx39H cm

EcoGranda

Spacious open design with extra-high edges for large breeds. Prevents scattering and keeps your floor spotless while ensuring maximum comfort.

PW080599

EcoGranda, Black/Black
67Lx49Bx28H cm

PW080605

EcoGranda, Anthracite/Grey
67Lx49Bx28H cm

PW080612

EcoGranda, Brown/Ivory
67Lx49Bx28H cm

EcoDome

The ultimate privacy solution for large cats. Features a collapsible hood and our unique sieve system for maximum hygiene and odor control.

PW080568

EcoDome, Black/Black
67Lx49Bx47H cm

PW080575

EcoDome, Anthracite/Grey
67Lx49Bx47H cm

PW080582

EcoDome, Brown/Ivory
67Lx49Bx47H cm

Ready to upgrade your home?

Join thousands of customers who’ve made the switch to cleaner, smarter living