Køb filt lysegra melange 3mm tyk som metervarer her.
PC Computer Fan Dust Proof Filter Foam Sheet, 3mm Thick, 50cm x 50cm (2500cm²) 762301122217 | eBay
Emcon Oocyte Filter 3mm Tubing Port – Partnar Animal Health
Amazon.com: Refrigerator Filter Dryer Set of 3, 19mm x 126mm Filter Dryer for Refrigeration, Copper Filter Drier with 3mm x 6.5mm Inner Diameter Hole : Industrial & Scientific