Lubegard 96030 Kool-It Evaporator and Heater Foam Cleaner (Amazon Affiliate)
US: https://amzn.to/3Ov2Ht2
Articulating Borescope with 8 Adjustable LED Light, Ralcam 8.5mm/0.33inch Borescope Inspection Camera with Two-Way Articulated Head,HD 1080P Endoscope Automotive Scope for Smartphone&iPhone (Amazon Affiliate)
US: https://amzn.to/3AS5rc0