It works just fine for weekend use / away. If to set up for a longer run, then, it needs a top up which could be done using a portable air pump. Also, drainage valve is partial broken (see picture) but doesn’t affect much of its function.
eBay
Universal Inflatable Spa Water Heater Pump Cover For Hot Tub Spa Heater Pump Waterproof Hot Tub Pump Cover Outdoor Pool Parts
Aliexpress UK
The highly popular Miami AirJet is our most affordable round hot tub. The Lay‑Z‑Spa Miami AirJet, with its contemporary black and white design, is the perfect space to revitalise the body and mind. Up to 4 people can sit back and experience the benefits of hydrotherapy through the soothing 40°C water and invigorating all-surrounding 120 AirJet massage system that releases thousands of tiny therapeutic bubbles. With a range of premium features as standard, such as Freeze Shield and the power-saving timer, the Lay‑Z‑Spa Miami AirJet is a hot tub you can enjoy any day of the year.
eBay
Tub Spa Heater Pump Cover Waterproof Hot Tub Pump Cover with Zipper All Weather Protection Hot Bathtub Pump Cover for Tub Spa
Aliexpress UK
New unused 4 seater inflatable cosy spa
eBay
Inflatable massage bathtub, heated spa pool, bubble SPA, home hot spring couple bathtub
Aliexpress UK
This durable and easy-to-use tub is made with high-quality materials and features a number of features that make it the best choice on the market. - 350 Litre Portable Ice Bath Cold Plunge Tub. No need to use your old bathtub, a chest freezer, or spend a fortune on a custom ice bath!
eBay
Inflatable massage bathtub, heated spa pool, bubble SPA, home hot spring couple bathtub
Aliexpress UK
The Lay-Z-Spa Ibiza Hot Tub 140 is a square-shaped inflatable spa with a capacity of 776 L (205 gal). It features an AirJet Massage System for a relaxing experience, along with a cover, filter, and pump included in the set.
eBay
Hot Tub Spa Heater PumpCoverInflatable Hot Tub PumpCoverSuitable for Most Hot Tub SpaHeater Pump on Market （only cover）
Aliexpress UK
eBay
Hot Tub Spa Heater PumpCoverInflatable Hot Tub PumpCoverSuitable for Most Hot Tub SpaHeater Pump on Market （only cover）
Aliexpress UK
eBay
Bathtub Dropstitch Spa Hot Tub 208*65CM Outdoor Indoor Bubble Hot Tub Hang-up Model, Portable Outdoor Garden Whirlpool Spa Tubs
Aliexpress UK
The Lay-Z-Spa Miami Airjet is a portable inflatable hot tub suitable for 2-4 people. This round-shaped tub features a vinyl lining and an air system jet type for energy-efficient heating. It includes a filter pump system, adjustable jets, an energy-saving timer, and a control panel for easy maintenance. The black colour adds a sleek and stylish touch to this convenient and easy-to-install hot tub, perfect for relaxing in any outdoor space.
eBay
Type VI Filter Spa Filter Cartridge Compatible with GYMAX SPA & Most Hot Tub, Massage Pool, Inflatable Pool, Swimming Pool
Aliexpress UK