Sponge Filter Adapter - Aquael Versamax Filter

Round profile sponge filter attachment for Aquael Versamax FZN-3 hang on filter inlet.I Designed this for Aquael Versamax FZN-3 filter inlet since the original inlet has eliptic profile and do not fit standard sponges.Canister filter: https://www.aquael.com/products/aquaristics-us/external-filters-us/versamax/Sponge filter: (https://www.olibetta.com/eheim/filter-cartridge-airfilter-4003000?sai=6535) Boost MeIf you consider this design useful, please also consider boosting it for free. :)