Soviet WWII Civilian Gas Masks, Left is a GP-2 with Sh-2 Facepiece, Middle is GP-2 with ShM-1 Facepiece, and Right is a DP-1 or ShM-D1/ShM-38D Children's Gas Mask : r/gasmasks
Green gas mask long 3D - TurboSquid 1574419
Gas mask front part M-49 GP4U/SHM-1 Soviet vintage Military USSR Soviet army | eBay