It compresses (closing the compression suction port, forming a slight positive pressure at the exhaust port) and stretches (closing the compression exhaust port, opening the negative pressure suction port) to suction and expel air.
eBay
2025 hot sale Laresar Ultra 7 ODM Factory 550W/45000pa Stick Vacuum Cleaner With Touch Screen up to 60 Mins Runtime Cordless Vac
Aliexpress UK
Vacuum degree: -85KPA (series), -65KPA (single side). Drive mode: electric. Mounting screw hole size: 4MM. Flow rate: 15L/MIN (series connection), 7.5L/MIN (single side).
eBay
Cordless Vacuum Cleaner with Green Laser, Multifunctional Rechargeable Pole Vacuum Cleaner, 2 Levels Suction, White, Household
Aliexpress UK
This eccentric motion drives the reciprocating motion of the diaphragm. Suction: 5L/min. 1 DC12V for Mini Vacuum Pump. Vacuum Level: 65kPa. Maximum Pressure: 120kPa. Rated Power: 6W. Color: Silver.
eBay
A98I-Universal Crevice Tool Flat Suction Long Nozzle, Vacuum Cleaners 32 Mm Vacuum Cleaner Accessories Household Supplies
Aliexpress UK
Maximum pressure: 120kpa. DC12V Mini Vacuum Pump. Suction capacity: 5L / min. 1 Piece Vacuum Suction Pump with Holder. Vacuum degree: 65kpa. Material: Iron. Suitable for 4.5-6mm tube. Mainly about the hardness.
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Xiaomi Car Vacuum Cleaner 21000pa Handheld Wireless Vacuum Cleaner Filter Convenient Strong Suction Portable Cleaning Tool Home
Aliexpress UK
BTC-IIS is ideal for compact, high flow, wide pressure ranges, long-life, low noise applications. However, this does not affect its functionality. 1PCS DC 12V Vacuum Pump. Rated Current: 450mA (DC 12V).
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Xiomi 9500000Pa Handheld Wireless Vacuum Cleaner Cordless Portable Cleaning Robot Home and Car Use Large Suction Vacuum Cleaner
Aliexpress UK
Professional Oil Extractor Pump to Get the Oil on Easy Servicing. Do not use for conveying water, gear oil, or highly flammable liquids (such as gasoline, fuel, etc.). Power: 100W. Lightweight and Portable: compact size for easy storage anywhere and transport.
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Mop Cloths Holder Pad Parts for Xiaomi Vacuum-Mop P/PRO/STYTJ02YM/3C/2S/S10/S12/B106GL ForViomi V2 Pro/V3 SE Vacuum Mop Rag
Aliexpress UK
Model: S395D6. Compact and Portable: Features a lightweight design for easy transport and use in various settings.
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Mini Desktop Vacuum Cleaner Portable Handheld Vacuum Office Desk Dust Table Tools Home Table Sweeper Cleaning Tool Dropshipping
Aliexpress UK
【Versatile Functionality】: This 15L high flow vacuum pump is a multi purpose tool that can be used for aeration, inflation, and as a vacuum pump. 【Good Durability】: With its sturdy abs construction housing the powerful model-555 motor, this vacuum pump is designed to last.
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XIAOMI MIJIA Wireless Vacuum Cleaner 3,Green Searchlight 260AW Suction,110000 RPM,90min Runtime,Cordless Handheld Vacuum Cleaner
Aliexpress UK