Aquascape's Clear Silicone Sealant is perfect for sealing joints where liner connects to filters, such as the BioFalls® lips and skimmer face plates. Adequately sealing water feature filters is crucial in preventing expensive leaks. Our silicone is clear, fish-safe, and incredibly easy to use. It is important to properly seal joints where liner connects to filters in order to avoid costly leaks. Aquascape's Clear Silicone Sealant is designed specifically for this purpose, making it the ideal choice for your water feature. This clear and fish-safe silicone is not only effective, but also incredibly easy to apply, giving you peace of mind and a leak-free water feature.