---
sku: GEB439
name: FHC Gunther Extra Build Mastic Cartridge - Black
product_group: supplies
d3_group: 01
d3_class: 1B
url_key: geb439
url: "https://fhc-usa.com/geb439"
image: "https://fhc-usa.com/media/catalog/product/g/e/geb439-prod-1.jpg"
variants:
  -
    sku: GEB439
    label: Base
catalog_refs:
  -
    catalog: FSH24R
    pages:
      - "168"
  -
    catalog: WEB-M3
    pages:
      - "10"
co_page_skus:
  - "GEB112"
  - "GME007"
  - "GPP454A"
  - "GPS108"
  - "GUB113"
  - "GUB444"
  - "MM200"
  - "PMM1G"
  - "PMM1T"
  - "PQS1T"
operational:
  lead_time_days: 35
  uom: EA
  case_quantity: 24
  cuttable: false
  backorder: true
  make_buy: Buy
related_skus:
  - "CC41"
  - "PQS1T"
  - "MC1866"
  - "JC14S"
  - "JC14D"
  - "GUB444"
  - "GUB113"
  - "GEB112"
  - "GPS108"
  - "GME007"
  - "D636"
  - "GPP454A"
  - "MM200"
  - "PMM1G"
  - "PMM1T"
  - "APS1"
  - "MMS20"
  - "PMM90T"
generated_at: "2026-05-21T23:29:53Z"
---

# FHC Gunther Extra Build Mastic Cartridge - Black

The FHC Gunther Extra Build Mastic Cartridge - Black is part of FHC's supplies hardware line. Featured in our Frameless Shower Door Hardware & Supplies (page 168) and Mirror Hardware & Supplies (page 10).

## Featured in Catalogs

- **FSH24R** (Frameless Shower Door Hardware & Supplies): page 168
- **WEB-M3** (Mirror Hardware & Supplies): page 10

## Product Details

- Lead time: 35 days
- Unit of measure: EA
- Case quantity: 24

## Related Products in Catalog

Often shown alongside this product:
`GEB112`, `GME007`, `GPP454A`, `GPS108`, `GUB113`, `GUB444`, `MM200`, `PMM1G`, `PMM1T`, `PQS1T`