| Concrete Extensions | Plastic Risers |
| 24 ID 29 OD 6″ H | 6″ H |
| 24 ID 29 OD 12″ H | 12″ H |
| 24 ID 29 OD 18″ H | Filters |
| 24 ID 29 OD 24″ H | GF-10 |
| 24 ID 29 OD 36″ H | A – 100 |
| 20 ID 24 OD 12″ H | PL – 525 |
| 20 ID 24 OD 18″ H | Bear Onsite |
| 20 ID 24 OD 24″ H | Lifetime Filter |
| Dist. Box Riser 20″ |
| Conversion Risers |
| 6″ Concrete With Plastic = 11″ |
| 12″ Concrete With Plastic = 17″ |
| 18″ Concrete With Plastic = 23″ |
| 24″ Concrete With Plastic = 29″ |
