Compatible with any spray bottle. Just open the package, drop the tablet in hot water, wait 5 minutes for it to dissolve, shake for 30 seconds. Recyclable and compostable. This product can be used on most non-porous surfaces to remove stuck on dirt and grime. One tablet is equal to 500ml of all purpose cleaner liquid. One tablet is equal to 700ml of liquid glass cleaner. Biodegradable and come in zero-waste/eco-friendly packaging.