Katadyn Vario Pleated Filter Replacement Cartridge
NiSi 40.5mm True Color ND-VARIO Pro Nano 1-5stops Variable ND - NiSi Optics USA
Katadyn Vario Replacement Cartridge | REI Co-op
B+W 95mm XS-Pro Digital ND Vario MRC-Nano Filter 66-1083006 B&H
Katadyn Vario Water Filter, Dual Technology Microfilter for Personal or Small Group Camping, Backpacking or Emergency Preparedness : Camping Water Filters : Sports & Outdoors - Amazon.com
NiSi 49mm Variable Neutral Density 0.45 to 1.5 Filter NIR-VND-49