Heavy Duty Seedling Cell Inserts For Greenhouse Pros, 480 Cells Total That Fill 10 Standard Plant Flats, 1204 Style, Durable Black Plastic Seed Starter Trays For Easy Propagation And Quick Seed Starts

Heavy duty seedling cell inserts for greenhouse propagation
✔️ 480 seedling cells in 10 flats, 12 inserts per flat, black plastic

These heavy-duty seedling cell inserts are designed for greenhouse propagation, letting you grow 480 seedlings using 10 standard plant flats. Made from durable black plastic, they fit into common flats and are ideal for bulk seed starts in commercial or hobby greenhouses.

✅ 480 seedling cells total, enough for 10 standard flats
✅ 12 inserts with 4 cells each per flat
✅ Durable black plastic resists moisture and wear
✅ 48 seedlings per standard flat capacity for quick propagation

💡 What is a heavy-duty seedling cell insert used for in greenhouse propagation?

It's a handy tool for starting many seedlings efficiently in greenhouse setups.

• Handy for bulk seed starts in commercial greenhouses
• Optimizes germination by using 4-cell inserts per flat
• Pairs with standard plant flats for streamlined transplanting
• Durable black plastic construction minimizes replacement needs