These assets are featured in the Modular Industrial Bar with Toilet and Industrial Restaurant Kitchen & Bar Pack.The third, fourth and fifth screenshots were taken directly from that pack—be sure to check it out.
Other relevant industrial packs include:
Underground Industrial Cafe with Toilet: Modular Environment Kit
modular industrial toilet/shower/bathroom asset pack
Realistic Modular Tunnel Pack(Wide)
Important/Additional Notes: This product supports Nanite for Unreal Engine 5.0+.