Across International 24/40 and 34/45 Heavy Wall Round Bottom 2-Neck Flask, 5L Coco Block Covers Manufactured so that no air

Manufactured so that no air blows by the filter without being filtered

Enhances nutrient uptake and overall absorption

Just add your own lighting

These are designed for rooting cuttings or starting seeds and promote rapid

Across International 24/40 and 34/45 Heavy Wall Round Bottom 2-Neck Flask, 5L Coco Block Covers Manufactured so that no airAi 5L heavy wall, 2 neck round bottom flask with 24 40 and 34 45 standard taper joint. Comes with one vertical 34 45 neck and one angled 24 40 side neck. Glass material: high borosilicate glass 3. 3. Glassware does not have warranties. Glassware may have minute blemishes that will not affect the function. If you believe there are imperfections on your glassware, please contact us. We check all our inventory and make sure no defective glassware is sent