Foaming Drain Cleaner: Drain Foam Cleaner prevents clogs. Thick, rich foam expands into areas otherwise impossible to reach; Rinse well and help clean water jets for better flow. Drain Foam Cleaner: Best drain cleaner for sink and drain. The drain foam cleaner reacts with fat, oil, and grease in drain pipes to prevent clogs in kitchen and bathroom plumbing systems. Safety Materials: Foaming Drain Cleaner is made from Gentle formula,no harm to the pipeline. It won't damage your drains, pipes. can be used in bathroom sinks, kitchen sinks, showers and bathtubs. Widely Applicable: Best drain foam cleaner for home kitchens, dressers, bathtubs, kitchen plumbing, bathrooms, floor drains, and sink pipes. Dual-Action Cleaning Long-Term Maintenance User-Friendly Design. Compatibility & Precautions Dimensions: 8.3in (height) x 2.55in (diameter). Ensure the vertical space between faucet and drain exceeds 8.3in, and the drain diameter is close to 2.55in for optimal sealing.