LVL use MX Switch which have many variant in the market. Here is some MX switch that we recommend:
Be aware that there is small chance switches have defect from factory and not working, please get few more for spare.
Kailh Silver Turbo.
Full Profile Linear.
45cN Force.
1.2mm Pretravel.
3.6mm Total travel.
Outemu Half Red.
Half Profile Linear.
50cN Force.
1.2mm Pretravel.
3mm Total travel.
Outemu GTMX Red.
Low Profile Linear.
40cN Force.
1.2mm Pretravel.
3mm Total travel.