Put a lid on it!Important Note: These lids are NOT compatible with the UNS Dual AIO rimless aquarium line. Click here for lids for the UNS Dual AIO tanks. Are you experiencing evaporation problems? Or worse, jumping fish? These sleek glass lids and lid holders are the perfect solution! Keep your livestock safe and water levels more stable with a glass lid. These lids are compatible with the Ultum Nature Systems line of rimless glass aquariums and are sized perfectly for ensuring a perfect fit that allows room for gas exchange and external equipment. Glass lids with clips come with clear clips that fit UNS rimless aquariums. Glass flush lids come with anti-slip strips for secure placement on your aquarium. What size do I need? 90L Lid + ClipCompatible with the UNS 90L rimless aquariumGlass Lid Dimensions (L x W): 34.5 x 8.6" [87.5 x 22cm] 90B Lid + ClipCompatible with the UNS 90B rimless aquariumGlass Lid Dimensions: (L x W): 34.65 x 5.12 inches [88 x 13 cm] **90B lid clip does not fit the UNS 90L or UNS 90P UNS 60A Lid + ClipCompatible with the UNS 60A All-in-One rimless aquariumGlass Lid Dimensions (L x W): 22.83 X 10.63 inches [58 x 27 cm]**This lid does not fit the UNS 60A Dual - Click here for UNS Dual AIO lids UNS 60L Lid + ClipCompatible with the UNS 60L rimless aquariumGlass Lid Dimensions (L x W): 22.83 x 5.51 inches [58 x 14 cm]  UNS 60U / 60T / 60S Lid + ClipCompatible with the UNS 60U, UNS 60T, or UNS 60S rimless aquariumsGlass Lid Dimensions (L x W): 22.83 x 11.41 inches [58 x 29 cm] UNS 45U / 45T / 45S Lid + ClipCompatible with the UNS 45U, UNS 45T, and UNS 45S rimless aquariumsGlass Lid Dimensions (L x W): 16.93 x 8.27 inches [43 x 21 cm] UNS 45L Lid + ClipCompatible with the UNS 45L rimless aquariumGlass Lid Dimensions (L x W): 16.93 x 4.72 inches [43 x 12 cm] UNS 5N / 5T / 5S Lid + ClipCompatible with the UNS 5N, UNS 5T, and UNS 5S rimless aquariumsGlass Lid Dimensions (L x W): 13.40 x 6.69 inches [34 x 17 cm] UNS 5N / 5T / 5S Lid - Flush FitCompatible with the UNS 5N, UNS 5T, and UNS 5S rimless aquariumsGlass Lid Dimensions (L x W): 14.7 x 8.66 inches [34 x 17 cm] UNS 3N / 3T Lid + ClipCompatible with the UNS 3N and UNS 3T rimless aquariumsGlass Lid Dimensions (L x W): 11.41 x 5.51 inches [29 x 13 cm] UNS 3N / 3T Lid - Flush FitCompatible with the UNS 3N and UNS 3T rimless aquariumsGlass Lid Dimensions (L x W): 12.20 x 7.48 inches UNS 40C Lid + ClipCompatible with the UNS 40C rimless aquariumGlass Lid Dimensions (L x W): 14.96 x 13.39 inches [38 x 34 cm] UNS 30C / 30T  Lid + ClipCompatible with the UNS 30C and UNS 30T rimless aquariumsGlass Lid Dimensions (L x W): 11.02 x 9.84 inches [28 x 25 cm] UNS 30C / 30T Lid - Flush FitCompatible with the UNS 30C and UNS 30T rimless aquariumsGlass Lid Dimensions (L x W): 11.02 x 11.02 inches  UNS 30A Lid + ClipCompatible with UNS 30A All-in-One rimless aquariumGlass Lid Dimensions (L x W): 11.02 x 8.66 inches [28 x 22 cm]**This lid does not fit the UNS 30A Dual - Click here for UNS Dual AIO lids UNS 25C / 25T / 25S Lid + ClipsCompatible with the UNS 25C, UNS 25T, and UNS 25S rimless aquariumsGlass Lid Dimensions (L x W): 9.05 x 7.87 inches [23 x 20 cm] UNS 25C / 25T / 25S Lid - Flush FitCompatible with the UNS 25C, UNS 25T, and UNS 25S rimless aquariumsGlass Lid Dimensions (L x W): 9.84 x 9.84 inches UNS 20C / 20T Lid + ClipsCompatible with the UNS 20C and UNS 20T rimless aquariumGlass Lid Dimensions (L x W): 7.09 x 6.3" inches [18 x 16 cm] UNS 20C / 20T Lid - Flush Fit Compatible with the UNS 20C and UNS 20T rimless aquariumGlass Lid Dimensions (L x W): 7.87 x 7.87 inches  [20 x 20 cm] UNS 16C / 16T / 16S Lid + ClipsCompatible with UNS 16C, UNS 16T, and UNS 16S rimless aquariumsGlass Lid Dimensions (L x W): 5.51 x 4.72 inches [14 x 12 cm] UNS 16C / 16T / 16S Lid - Flush FitCompatible with UNS 16C, UNS 16T, and UNS 16S rimless aquariumsGlass Lid Dimensions (L x W): 6.29 x 6.29 inches  [16 x 16 cm]